/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 09:33:25,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 09:33:25,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 09:33:25,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 09:33:25,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 09:33:25,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 09:33:25,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 09:33:25,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 09:33:25,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 09:33:25,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 09:33:25,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 09:33:25,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 09:33:25,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 09:33:25,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 09:33:25,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 09:33:25,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 09:33:25,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 09:33:25,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 09:33:25,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 09:33:25,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 09:33:25,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 09:33:25,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 09:33:25,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 09:33:25,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 09:33:25,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 09:33:25,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 09:33:25,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 09:33:25,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 09:33:25,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 09:33:25,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 09:33:25,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 09:33:25,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 09:33:25,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 09:33:25,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 09:33:25,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 09:33:25,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 09:33:25,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 09:33:25,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 09:33:25,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 09:33:25,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 09:33:25,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 09:33:25,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 09:33:25,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 09:33:25,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 09:33:25,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 09:33:25,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 09:33:25,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 09:33:25,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 09:33:25,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 09:33:25,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 09:33:25,603 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 09:33:25,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 09:33:25,604 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 09:33:25,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 09:33:25,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 09:33:25,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 09:33:25,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 09:33:25,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 09:33:25,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 09:33:25,604 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 09:33:25,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 09:33:25,605 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 09:33:25,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 09:33:25,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 09:33:25,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 09:33:25,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 09:33:25,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 09:33:25,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 09:33:25,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 09:33:25,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 09:33:25,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 09:33:25,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 09:33:25,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 09:33:25,606 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 09:33:25,606 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 09:33:25,606 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 09:33:25,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 09:33:25,607 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 09:33:25,607 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 09:33:25,607 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 09:33:25,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 09:33:25,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 09:33:25,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 09:33:25,819 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 09:33:25,820 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 09:33:25,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2022-02-11 09:33:25,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc3d94549/77bbb8614637418d8a386a352c4b6817/FLAG0f1314088 [2022-02-11 09:33:26,241 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 09:33:26,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2022-02-11 09:33:26,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc3d94549/77bbb8614637418d8a386a352c4b6817/FLAG0f1314088 [2022-02-11 09:33:26,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc3d94549/77bbb8614637418d8a386a352c4b6817 [2022-02-11 09:33:26,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 09:33:26,262 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 09:33:26,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 09:33:26,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 09:33:26,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 09:33:26,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 09:33:26" (1/1) ... [2022-02-11 09:33:26,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c34703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:33:26, skipping insertion in model container [2022-02-11 09:33:26,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 09:33:26" (1/1) ... [2022-02-11 09:33:26,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 09:33:26,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 09:33:26,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c[2494,2507] [2022-02-11 09:33:26,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 09:33:26,427 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 09:33:26,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c[2494,2507] [2022-02-11 09:33:26,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 09:33:26,459 INFO L208 MainTranslator]: Completed translation [2022-02-11 09:33:26,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:33:26 WrapperNode [2022-02-11 09:33:26,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 09:33:26,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 09:33:26,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 09:33:26,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 09:33:26,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:33:26" (1/1) ... [2022-02-11 09:33:26,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:33:26" (1/1) ... [2022-02-11 09:33:26,538 INFO L137 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 9, calls inlined = 15, statements flattened = 164 [2022-02-11 09:33:26,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 09:33:26,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 09:33:26,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 09:33:26,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 09:33:26,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:33:26" (1/1) ... [2022-02-11 09:33:26,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:33:26" (1/1) ... [2022-02-11 09:33:26,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:33:26" (1/1) ... [2022-02-11 09:33:26,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:33:26" (1/1) ... [2022-02-11 09:33:26,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:33:26" (1/1) ... [2022-02-11 09:33:26,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:33:26" (1/1) ... [2022-02-11 09:33:26,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:33:26" (1/1) ... [2022-02-11 09:33:26,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 09:33:26,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 09:33:26,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 09:33:26,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 09:33:26,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:33:26" (1/1) ... [2022-02-11 09:33:26,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 09:33:26,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 09:33:26,620 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) [2022-02-11 09:33:26,651 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 [2022-02-11 09:33:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 09:33:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 09:33:26,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 09:33:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 09:33:26,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 09:33:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 09:33:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 09:33:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 09:33:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-11 09:33:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-11 09:33:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 09:33:26,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 09:33:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 09:33:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 09:33:26,667 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 09:33:26,734 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 09:33:26,736 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 09:33:27,038 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 09:33:27,249 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 09:33:27,250 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 09:33:27,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 09:33:27 BoogieIcfgContainer [2022-02-11 09:33:27,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 09:33:27,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 09:33:27,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 09:33:27,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 09:33:27,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 09:33:26" (1/3) ... [2022-02-11 09:33:27,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a265134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 09:33:27, skipping insertion in model container [2022-02-11 09:33:27,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 09:33:26" (2/3) ... [2022-02-11 09:33:27,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a265134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 09:33:27, skipping insertion in model container [2022-02-11 09:33:27,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 09:33:27" (3/3) ... [2022-02-11 09:33:27,261 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2022-02-11 09:33:27,266 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 09:33:27,266 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 09:33:27,266 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 09:33:27,266 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 09:33:27,306 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,307 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,307 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,307 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,307 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,307 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,307 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,308 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,308 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,308 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,308 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,310 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,310 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,310 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,310 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,311 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,311 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,311 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,311 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,312 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,312 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,312 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,313 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,314 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,314 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,314 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,315 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,315 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,315 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,315 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,315 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,315 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,316 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,316 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,316 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,316 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,316 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,317 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,317 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,317 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,318 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,318 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,318 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,318 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,318 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,319 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,319 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,319 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,320 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,320 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,321 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,321 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,324 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,325 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,325 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,325 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,326 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,326 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,326 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,326 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,327 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,327 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,327 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,327 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,328 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,328 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,329 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,329 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,329 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,329 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,329 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,329 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,330 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,330 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,330 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,330 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 09:33:27,333 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-11 09:33:27,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 09:33:27,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 09:33:27,379 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) [2022-02-11 09:33:27,384 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 [2022-02-11 09:33:27,406 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 09:33:27,412 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 09:33:27,413 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-11 09:33:27,604 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:33:27,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:33:27,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1695818621, now seen corresponding path program 1 times [2022-02-11 09:33:27,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:33:27,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598179767] [2022-02-11 09:33:27,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:33:27,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:33:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:33:27,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:33:27,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:33:27,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598179767] [2022-02-11 09:33:27,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598179767] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:33:27,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:33:27,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 09:33:27,848 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537368636] [2022-02-11 09:33:27,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:33:27,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 09:33:27,854 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:33:27,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 09:33:27,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 09:33:27,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:27,883 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:33:27,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2022-02-11 09:33:27,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:27,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:27,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 09:33:27,922 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:33:27,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:33:27,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1524034983, now seen corresponding path program 1 times [2022-02-11 09:33:27,924 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:33:27,924 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997010352] [2022-02-11 09:33:27,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:33:27,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:33:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:33:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:33:28,121 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:33:28,121 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997010352] [2022-02-11 09:33:28,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997010352] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:33:28,121 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:33:28,121 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 09:33:28,121 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697299607] [2022-02-11 09:33:28,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:33:28,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 09:33:28,124 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:33:28,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 09:33:28,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-11 09:33:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:28,131 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:33:28,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2022-02-11 09:33:28,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:28,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:28,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:28,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 09:33:28,293 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:33:28,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:33:28,294 INFO L85 PathProgramCache]: Analyzing trace with hash 155831855, now seen corresponding path program 1 times [2022-02-11 09:33:28,294 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:33:28,294 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9585402] [2022-02-11 09:33:28,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:33:28,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:33:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:33:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:33:28,499 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:33:28,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9585402] [2022-02-11 09:33:28,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9585402] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:33:28,500 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:33:28,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-11 09:33:28,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371161828] [2022-02-11 09:33:28,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:33:28,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 09:33:28,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:33:28,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 09:33:28,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-11 09:33:28,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:28,503 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:33:28,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2022-02-11 09:33:28,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:28,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:28,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:28,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:28,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:28,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:28,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,ResultService [2022-02-11 09:33:28,637 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:33:28,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:33:28,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1598163657, now seen corresponding path program 1 times [2022-02-11 09:33:28,638 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:33:28,638 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439988351] [2022-02-11 09:33:28,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:33:28,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:33:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:33:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:33:28,793 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:33:28,793 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439988351] [2022-02-11 09:33:28,793 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439988351] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:33:28,793 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:33:28,793 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-11 09:33:28,793 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038779052] [2022-02-11 09:33:28,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:33:28,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 09:33:28,795 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:33:28,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 09:33:28,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-11 09:33:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:28,799 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:33:28,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2022-02-11 09:33:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:28,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:28,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,ResultService [2022-02-11 09:33:28,973 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:33:28,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:33:28,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1932620173, now seen corresponding path program 1 times [2022-02-11 09:33:28,974 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:33:28,974 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446976077] [2022-02-11 09:33:28,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:33:28,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:33:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:33:29,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:33:29,110 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:33:29,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446976077] [2022-02-11 09:33:29,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446976077] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:33:29,111 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:33:29,111 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 09:33:29,113 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163390229] [2022-02-11 09:33:29,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:33:29,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 09:33:29,119 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:33:29,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 09:33:29,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-11 09:33:29,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,122 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:33:29,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2022-02-11 09:33:29,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:29,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:29,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:29,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:33:29,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,ResultService [2022-02-11 09:33:29,205 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:33:29,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:33:29,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1220359023, now seen corresponding path program 1 times [2022-02-11 09:33:29,206 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:33:29,206 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905115827] [2022-02-11 09:33:29,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:33:29,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:33:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:33:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:33:29,306 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:33:29,306 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905115827] [2022-02-11 09:33:29,306 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905115827] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:33:29,306 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:33:29,306 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 09:33:29,306 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523687970] [2022-02-11 09:33:29,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:33:29,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 09:33:29,307 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:33:29,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 09:33:29,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-11 09:33:29,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,308 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:33:29,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2022-02-11 09:33:29,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:29,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:33:29,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:33:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 09:33:29,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable5 [2022-02-11 09:33:29,381 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:33:29,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:33:29,381 INFO L85 PathProgramCache]: Analyzing trace with hash 408551877, now seen corresponding path program 1 times [2022-02-11 09:33:29,382 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:33:29,382 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395653222] [2022-02-11 09:33:29,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:33:29,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:33:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:33:29,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:33:29,461 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:33:29,461 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395653222] [2022-02-11 09:33:29,461 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395653222] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:33:29,461 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:33:29,461 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 09:33:29,461 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670601318] [2022-02-11 09:33:29,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:33:29,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 09:33:29,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:33:29,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 09:33:29,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-11 09:33:29,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,463 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:33:29,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2022-02-11 09:33:29,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:29,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:33:29,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 09:33:29,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:33:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 09:33:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 09:33:29,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,ResultService [2022-02-11 09:33:29,532 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-11 09:33:29,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 09:33:29,532 INFO L85 PathProgramCache]: Analyzing trace with hash -977215769, now seen corresponding path program 1 times [2022-02-11 09:33:29,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 09:33:29,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916705118] [2022-02-11 09:33:29,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 09:33:29,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 09:33:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 09:33:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 09:33:29,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 09:33:29,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916705118] [2022-02-11 09:33:29,625 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916705118] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 09:33:29,625 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 09:33:29,625 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-11 09:33:29,625 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306096270] [2022-02-11 09:33:29,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 09:33:29,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-11 09:33:29,626 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 09:33:29,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-11 09:33:29,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-11 09:33:29,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,628 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 09:33:29,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2022-02-11 09:33:29,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:29,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:33:29,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 09:33:29,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 09:33:29,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 09:33:29,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:29,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 09:33:29,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 09:33:29,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 09:33:29,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 09:33:29,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 09:33:29,769 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-11 09:33:29,769 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-11 09:33:29,770 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-11 09:33:29,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,ResultService [2022-02-11 09:33:29,773 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-11 09:33:29,775 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 09:33:29,775 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 09:33:29,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 09:33:29 BasicIcfg [2022-02-11 09:33:29,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 09:33:29,779 INFO L158 Benchmark]: Toolchain (without parser) took 3516.18ms. Allocated memory was 175.1MB in the beginning and 264.2MB in the end (delta: 89.1MB). Free memory was 122.5MB in the beginning and 134.0MB in the end (delta: -11.6MB). Peak memory consumption was 77.2MB. Max. memory is 8.0GB. [2022-02-11 09:33:29,779 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 175.1MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 09:33:29,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.09ms. Allocated memory was 175.1MB in the beginning and 264.2MB in the end (delta: 89.1MB). Free memory was 122.2MB in the beginning and 237.5MB in the end (delta: -115.3MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. [2022-02-11 09:33:29,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.43ms. Allocated memory is still 264.2MB. Free memory was 237.5MB in the beginning and 234.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-11 09:33:29,779 INFO L158 Benchmark]: Boogie Preprocessor took 41.95ms. Allocated memory is still 264.2MB. Free memory was 234.3MB in the beginning and 233.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 09:33:29,780 INFO L158 Benchmark]: RCFGBuilder took 670.97ms. Allocated memory is still 264.2MB. Free memory was 233.3MB in the beginning and 195.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-02-11 09:33:29,780 INFO L158 Benchmark]: TraceAbstraction took 2523.05ms. Allocated memory is still 264.2MB. Free memory was 195.0MB in the beginning and 134.0MB in the end (delta: 61.0MB). Peak memory consumption was 61.0MB. Max. memory is 8.0GB. [2022-02-11 09:33:29,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 175.1MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 196.09ms. Allocated memory was 175.1MB in the beginning and 264.2MB in the end (delta: 89.1MB). Free memory was 122.2MB in the beginning and 237.5MB in the end (delta: -115.3MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 78.43ms. Allocated memory is still 264.2MB. Free memory was 237.5MB in the beginning and 234.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.95ms. Allocated memory is still 264.2MB. Free memory was 234.3MB in the beginning and 233.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 670.97ms. Allocated memory is still 264.2MB. Free memory was 233.3MB in the beginning and 195.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2523.05ms. Allocated memory is still 264.2MB. Free memory was 195.0MB in the beginning and 134.0MB in the end (delta: 61.0MB). Peak memory consumption was 61.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 410, positive: 384, positive conditional: 180, positive unconditional: 204, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 936, positive: 936, positive conditional: 264, positive unconditional: 672, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 936, positive: 936, positive conditional: 264, positive unconditional: 672, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 936, positive: 936, positive conditional: 98, positive unconditional: 838, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 936, positive: 936, positive conditional: 36, positive unconditional: 900, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 936, positive: 936, positive conditional: 36, positive unconditional: 900, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 266, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 266, positive: 255, positive conditional: 0, positive unconditional: 255, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 936, positive: 670, positive conditional: 36, positive unconditional: 634, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 266, unknown conditional: 0, unknown unconditional: 266] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 266, Positive conditional cache size: 0, Positive unconditional cache size: 266, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 62, Maximal queried relation: 0, Independence queries for same thread: 26 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 147, Number of trivial persistent sets: 141, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 204, positive: 204, positive conditional: 0, positive unconditional: 204, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 410, positive: 384, positive conditional: 180, positive unconditional: 204, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 936, positive: 936, positive conditional: 264, positive unconditional: 672, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 936, positive: 936, positive conditional: 264, positive unconditional: 672, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 936, positive: 936, positive conditional: 98, positive unconditional: 838, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 936, positive: 936, positive conditional: 36, positive unconditional: 900, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 936, positive: 936, positive conditional: 36, positive unconditional: 900, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 266, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 266, positive: 255, positive conditional: 0, positive unconditional: 255, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 936, positive: 670, positive conditional: 36, positive unconditional: 634, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 266, unknown conditional: 0, unknown unconditional: 266] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 266, Positive conditional cache size: 0, Positive unconditional cache size: 266, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 62, Maximal queried relation: 0, Independence queries for same thread: 26 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 80]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 108 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 627 ConstructedInterpolants, 0 QuantifiedInterpolants, 1315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-11 09:33:29,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-11 09:33:30,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...