/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 04:14:00,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 04:14:00,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 04:14:00,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 04:14:00,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 04:14:00,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 04:14:00,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 04:14:00,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 04:14:00,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 04:14:00,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 04:14:00,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 04:14:00,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 04:14:00,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 04:14:00,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 04:14:00,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 04:14:00,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 04:14:00,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 04:14:00,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 04:14:00,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 04:14:00,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 04:14:00,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 04:14:00,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2023-05-20 04:14:00,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 04:14:00,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 04:14:00,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 04:14:00,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 04:14:00,144 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 04:14:00,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 04:14:00,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 04:14:00,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 04:14:00,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 04:14:00,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 04:14:00,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 04:14:00,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 04:14:00,146 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 04:14:00,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 04:14:00,147 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 04:14:00,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 04:14:00,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 04:14:00,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 04:14:00,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 04:14:00,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 04:14:00,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 04:14:00,147 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 04:14:00,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 04:14:00,147 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 04:14:00,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 04:14:00,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 04:14:00,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 04:14:00,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 04:14:00,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 04:14:00,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 04:14:00,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 04:14:00,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 04:14:00,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 04:14:00,149 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 04:14:00,149 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 04:14:00,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 04:14:00,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 04:14:00,150 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 04:14:00,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 04:14:00,150 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 04:14:00,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 04:14:00,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 04:14:00,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 04:14:00,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 04:14:00,378 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 04:14:00,378 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 04:14:00,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2023-05-20 04:14:00,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/168e7d3a0/3bddcc3c587f4f2ba8eedb1f839706bc/FLAGdf14fff0f [2023-05-20 04:14:00,904 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 04:14:00,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2023-05-20 04:14:00,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/168e7d3a0/3bddcc3c587f4f2ba8eedb1f839706bc/FLAGdf14fff0f [2023-05-20 04:14:00,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/168e7d3a0/3bddcc3c587f4f2ba8eedb1f839706bc [2023-05-20 04:14:00,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 04:14:00,941 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 04:14:00,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 04:14:00,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 04:14:00,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 04:14:00,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:14:00" (1/1) ... [2023-05-20 04:14:00,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@675e37a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:00, skipping insertion in model container [2023-05-20 04:14:00,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:14:00" (1/1) ... [2023-05-20 04:14:00,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 04:14:00,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 04:14:01,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2023-05-20 04:14:01,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 04:14:01,555 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 04:14:01,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i[76081,76094] [2023-05-20 04:14:01,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 04:14:01,692 INFO L208 MainTranslator]: Completed translation [2023-05-20 04:14:01,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:01 WrapperNode [2023-05-20 04:14:01,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 04:14:01,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 04:14:01,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 04:14:01,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 04:14:01,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:01" (1/1) ... [2023-05-20 04:14:01,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:01" (1/1) ... [2023-05-20 04:14:01,754 INFO L138 Inliner]: procedures = 486, calls = 43, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 201 [2023-05-20 04:14:01,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 04:14:01,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 04:14:01,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 04:14:01,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 04:14:01,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:01" (1/1) ... [2023-05-20 04:14:01,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:01" (1/1) ... [2023-05-20 04:14:01,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:01" (1/1) ... [2023-05-20 04:14:01,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:01" (1/1) ... [2023-05-20 04:14:01,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:01" (1/1) ... [2023-05-20 04:14:01,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:01" (1/1) ... [2023-05-20 04:14:01,778 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:01" (1/1) ... [2023-05-20 04:14:01,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:01" (1/1) ... [2023-05-20 04:14:01,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 04:14:01,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 04:14:01,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 04:14:01,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 04:14:01,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:01" (1/1) ... [2023-05-20 04:14:01,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 04:14:01,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:14:01,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 04:14:01,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 04:14:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2023-05-20 04:14:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2023-05-20 04:14:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 04:14:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 04:14:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2023-05-20 04:14:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2023-05-20 04:14:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-20 04:14:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 04:14:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-05-20 04:14:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 04:14:01,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 04:14:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 04:14:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 04:14:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 04:14:01,837 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 04:14:02,065 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 04:14:02,067 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 04:14:02,246 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 04:14:02,253 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 04:14:02,253 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-20 04:14:02,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:14:02 BoogieIcfgContainer [2023-05-20 04:14:02,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 04:14:02,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 04:14:02,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 04:14:02,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 04:14:02,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 04:14:00" (1/3) ... [2023-05-20 04:14:02,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758f1f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:14:02, skipping insertion in model container [2023-05-20 04:14:02,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:14:01" (2/3) ... [2023-05-20 04:14:02,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758f1f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:14:02, skipping insertion in model container [2023-05-20 04:14:02,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:14:02" (3/3) ... [2023-05-20 04:14:02,262 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2023-05-20 04:14:02,269 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 04:14:02,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 04:14:02,276 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-05-20 04:14:02,276 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 04:14:02,335 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2023-05-20 04:14:02,367 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:14:02,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 04:14:02,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:14:02,409 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 04:14:02,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 04:14:02,473 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 04:14:02,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 04:14:02,496 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@37ee2438, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:14:02,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 04:14:02,542 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-05-20 04:14:02,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:02,547 INFO L85 PathProgramCache]: Analyzing trace with hash -729462340, now seen corresponding path program 1 times [2023-05-20 04:14:02,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:02,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411163499] [2023-05-20 04:14:02,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:02,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:03,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:03,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411163499] [2023-05-20 04:14:03,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411163499] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:03,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:03,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 04:14:03,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544502530] [2023-05-20 04:14:03,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:03,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 04:14:03,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:03,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 04:14:03,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 04:14:03,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:03,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:03,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:03,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:03,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 04:14:03,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 04:14:03,946 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-05-20 04:14:03,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:03,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1770722839, now seen corresponding path program 1 times [2023-05-20 04:14:03,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:03,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742854010] [2023-05-20 04:14:03,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:03,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 04:14:04,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:04,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742854010] [2023-05-20 04:14:04,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742854010] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:04,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:04,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 04:14:04,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753308198] [2023-05-20 04:14:04,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:04,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 04:14:04,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:04,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 04:14:04,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 04:14:04,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:04,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:04,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:04,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 04:14:04,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:04,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 04:14:04,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:04,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 04:14:04,305 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-05-20 04:14:04,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:04,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1858078123, now seen corresponding path program 1 times [2023-05-20 04:14:04,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:04,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60212998] [2023-05-20 04:14:04,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:04,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:04,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:04,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60212998] [2023-05-20 04:14:04,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60212998] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:04,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:04,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 04:14:04,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561144425] [2023-05-20 04:14:04,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:04,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 04:14:04,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:04,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 04:14:04,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 04:14:04,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:04,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:04,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:04,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 04:14:04,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:04,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:04,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 04:14:04,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:04,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 04:14:04,697 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-05-20 04:14:04,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:04,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1998524021, now seen corresponding path program 1 times [2023-05-20 04:14:04,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:04,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018853266] [2023-05-20 04:14:04,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:04,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:04,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:04,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:04,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018853266] [2023-05-20 04:14:04,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018853266] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:04,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:04,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 04:14:04,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547958297] [2023-05-20 04:14:04,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:04,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 04:14:04,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:04,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 04:14:04,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 04:14:04,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:04,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:04,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:04,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 04:14:04,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:04,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:04,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:05,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 04:14:05,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:05,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:05,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:05,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 04:14:05,098 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-05-20 04:14:05,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:05,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1022190912, now seen corresponding path program 1 times [2023-05-20 04:14:05,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:05,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081653054] [2023-05-20 04:14:05,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:05,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:05,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:05,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:05,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081653054] [2023-05-20 04:14:05,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081653054] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:05,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:05,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 04:14:05,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140153942] [2023-05-20 04:14:05,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:05,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 04:14:05,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:05,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 04:14:05,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 04:14:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:05,190 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:05,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:05,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 04:14:05,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:05,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:05,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:05,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:08,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 04:14:08,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:08,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:08,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:08,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:08,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 04:14:08,146 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-05-20 04:14:08,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:08,147 INFO L85 PathProgramCache]: Analyzing trace with hash 746721752, now seen corresponding path program 1 times [2023-05-20 04:14:08,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:08,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103762480] [2023-05-20 04:14:08,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:08,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:08,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:08,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103762480] [2023-05-20 04:14:08,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103762480] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:08,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:08,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 04:14:08,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330681085] [2023-05-20 04:14:08,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:08,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 04:14:08,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:08,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 04:14:08,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 04:14:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:08,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:08,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 04:14:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:08,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:08,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:10,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 04:14:10,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:10,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:10,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:10,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:10,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:10,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-20 04:14:10,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2023-05-20 04:14:10,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-05-20 04:14:10,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-20 04:14:10,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 04:14:10,517 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-05-20 04:14:10,518 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (1/3) [2023-05-20 04:14:10,531 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:14:10,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 04:14:10,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:14:10,533 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 04:14:10,535 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 04:14:10,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread_ath9kThread1of1ForFork1 ======== [2023-05-20 04:14:10,538 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@37ee2438, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:14:10,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 04:14:10,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-05-20 04:14:10,605 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:14:10,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:10,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1946428682, now seen corresponding path program 1 times [2023-05-20 04:14:10,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:10,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625101429] [2023-05-20 04:14:10,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:10,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-20 04:14:10,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:10,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625101429] [2023-05-20 04:14:10,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625101429] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:10,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:10,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 04:14:10,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684834059] [2023-05-20 04:14:10,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:10,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 04:14:10,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:10,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 04:14:10,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-20 04:14:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:10,691 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:10,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:10,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:10,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:10,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-20 04:14:10,737 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:14:10,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:10,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1059786185, now seen corresponding path program 1 times [2023-05-20 04:14:10,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:10,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096877312] [2023-05-20 04:14:10,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:10,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:10,812 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-20 04:14:10,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:10,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096877312] [2023-05-20 04:14:10,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096877312] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:10,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:10,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 04:14:10,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788895476] [2023-05-20 04:14:10,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:10,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 04:14:10,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:10,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 04:14:10,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 04:14:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:10,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:10,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:10,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:10,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:10,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-20 04:14:10,842 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:14:10,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:10,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1120556789, now seen corresponding path program 1 times [2023-05-20 04:14:10,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:10,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210571879] [2023-05-20 04:14:10,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:10,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:10,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:10,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210571879] [2023-05-20 04:14:10,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210571879] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:10,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:10,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 04:14:10,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696167950] [2023-05-20 04:14:10,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:10,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 04:14:10,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:10,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 04:14:10,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 04:14:10,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:10,920 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:10,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:10,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:10,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:10,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:10,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:10,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:10,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:10,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-20 04:14:10,965 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:14:10,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:10,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1824974613, now seen corresponding path program 1 times [2023-05-20 04:14:10,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:10,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609516827] [2023-05-20 04:14:10,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:10,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:11,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:11,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:11,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609516827] [2023-05-20 04:14:11,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609516827] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:11,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:11,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 04:14:11,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250054728] [2023-05-20 04:14:11,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:11,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 04:14:11,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:11,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 04:14:11,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 04:14:11,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:11,049 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:11,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:11,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:11,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:11,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:11,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:11,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:11,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:11,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:11,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:11,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-20 04:14:11,126 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 04:14:11,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:11,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1236633817, now seen corresponding path program 1 times [2023-05-20 04:14:11,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:11,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136583100] [2023-05-20 04:14:11,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:11,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:11,281 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2023-05-20 04:14:11,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:11,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136583100] [2023-05-20 04:14:11,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136583100] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:11,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:11,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 04:14:11,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895398612] [2023-05-20 04:14:11,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:11,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 04:14:11,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:11,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 04:14:11,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 04:14:11,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:11,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:11,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:11,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:11,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:11,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:11,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:11,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:14,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:14,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:14,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:14,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 04:14:14,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-20 04:14:14,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-05-20 04:14:14,280 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-05-20 04:14:14,280 INFO L307 ceAbstractionStarter]: Result for error location thread_ath9kThread1of1ForFork1 was SAFE (2/3) [2023-05-20 04:14:14,282 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:14:14,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 04:14:14,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:14:14,357 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 04:14:14,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2023-05-20 04:14:14,394 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 04:14:14,395 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread_usbThread1of1ForFork0 ======== [2023-05-20 04:14:14,396 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@37ee2438, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:14:14,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 04:14:14,416 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 04:14:14,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:14,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1509785721, now seen corresponding path program 1 times [2023-05-20 04:14:14,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:14,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522434323] [2023-05-20 04:14:14,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:14,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:14,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:14,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522434323] [2023-05-20 04:14:14,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522434323] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:14,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:14,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 04:14:14,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545862421] [2023-05-20 04:14:14,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:14,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 04:14:14,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:14,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 04:14:14,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 04:14:14,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,450 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:14,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:14,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-05-20 04:14:14,457 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 04:14:14,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:14,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1438625867, now seen corresponding path program 1 times [2023-05-20 04:14:14,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:14,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646519829] [2023-05-20 04:14:14,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:14,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:14,526 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 04:14:14,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:14,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646519829] [2023-05-20 04:14:14,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646519829] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:14,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:14,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 04:14:14,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35601378] [2023-05-20 04:14:14,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:14,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 04:14:14,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:14,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 04:14:14,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-20 04:14:14,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:14,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:14,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:14,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-05-20 04:14:14,558 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 04:14:14,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:14,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1605245487, now seen corresponding path program 1 times [2023-05-20 04:14:14,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:14,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578395655] [2023-05-20 04:14:14,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:14,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:14,637 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 04:14:14,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:14,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578395655] [2023-05-20 04:14:14,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578395655] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:14,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:14,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 04:14:14,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996383659] [2023-05-20 04:14:14,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:14,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 04:14:14,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:14,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 04:14:14,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 04:14:14,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,639 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:14,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:14,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:14,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-05-20 04:14:14,663 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 04:14:14,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:14,663 INFO L85 PathProgramCache]: Analyzing trace with hash 725128677, now seen corresponding path program 1 times [2023-05-20 04:14:14,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:14,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313590042] [2023-05-20 04:14:14,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:14,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:14,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:14,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313590042] [2023-05-20 04:14:14,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313590042] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:14,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:14,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 04:14:14,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813527876] [2023-05-20 04:14:14,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:14,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 04:14:14,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:14,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 04:14:14,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 04:14:14,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:14,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:14,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:14,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:14,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:14,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:14,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-05-20 04:14:14,765 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 04:14:14,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:14,765 INFO L85 PathProgramCache]: Analyzing trace with hash -271888955, now seen corresponding path program 1 times [2023-05-20 04:14:14,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:14,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343937489] [2023-05-20 04:14:14,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:14,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:14,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:14,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:14,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343937489] [2023-05-20 04:14:14,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343937489] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:14,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:14,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 04:14:14,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525736037] [2023-05-20 04:14:14,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:14,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 04:14:14,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:14,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 04:14:14,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 04:14:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,847 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:14,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:14,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-05-20 04:14:14,958 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 04:14:14,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:14,959 INFO L85 PathProgramCache]: Analyzing trace with hash -741157917, now seen corresponding path program 1 times [2023-05-20 04:14:14,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:14,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794016726] [2023-05-20 04:14:14,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:14,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 04:14:15,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:15,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794016726] [2023-05-20 04:14:15,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794016726] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:15,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:15,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 04:14:15,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688326572] [2023-05-20 04:14:15,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:15,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 04:14:15,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:15,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 04:14:15,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 04:14:15,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:15,041 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:15,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:15,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:15,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:15,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:15,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:15,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:15,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:15,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:15,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:15,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:15,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:15,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:15,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:15,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-05-20 04:14:15,111 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 04:14:15,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:14:15,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1395685510, now seen corresponding path program 1 times [2023-05-20 04:14:15,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:14:15,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611966809] [2023-05-20 04:14:15,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:14:15,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:14:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:14:15,243 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2023-05-20 04:14:15,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:14:15,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611966809] [2023-05-20 04:14:15,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611966809] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:14:15,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:14:15,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 04:14:15,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532672517] [2023-05-20 04:14:15,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:14:15,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 04:14:15,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:14:15,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 04:14:15,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 04:14:15,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:15,245 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:14:15,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:14:15,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:15,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:15,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:15,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:15,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:15,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:15,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:19,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:14:19,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 04:14:19,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:14:19,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:19,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 04:14:19,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:19,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 04:14:19,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 04:14:19,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2023-05-20 04:14:19,539 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 04:14:19,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-05-20 04:14:19,540 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-05-20 04:14:19,540 INFO L307 ceAbstractionStarter]: Result for error location thread_usbThread1of1ForFork0 was SAFE,SAFE,SAFE (3/3) [2023-05-20 04:14:19,541 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 04:14:19,541 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 04:14:19,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 04:14:19 BasicIcfg [2023-05-20 04:14:19,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 04:14:19,544 INFO L158 Benchmark]: Toolchain (without parser) took 18602.77ms. Allocated memory was 200.3MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 166.1MB in the beginning and 3.8GB in the end (delta: -3.6GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-05-20 04:14:19,544 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 200.3MB. Free memory is still 154.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 04:14:19,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.24ms. Allocated memory was 200.3MB in the beginning and 280.0MB in the end (delta: 79.7MB). Free memory was 165.7MB in the beginning and 203.8MB in the end (delta: -38.0MB). Peak memory consumption was 43.4MB. Max. memory is 8.0GB. [2023-05-20 04:14:19,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.10ms. Allocated memory is still 280.0MB. Free memory was 203.8MB in the beginning and 200.2MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 04:14:19,544 INFO L158 Benchmark]: Boogie Preprocessor took 28.83ms. Allocated memory is still 280.0MB. Free memory was 200.2MB in the beginning and 197.2MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 04:14:19,545 INFO L158 Benchmark]: RCFGBuilder took 471.02ms. Allocated memory is still 280.0MB. Free memory was 197.2MB in the beginning and 230.9MB in the end (delta: -33.7MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2023-05-20 04:14:19,545 INFO L158 Benchmark]: TraceAbstraction took 17286.70ms. Allocated memory was 280.0MB in the beginning and 4.7GB in the end (delta: 4.4GB). Free memory was 229.8MB in the beginning and 3.8GB in the end (delta: -3.6GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-05-20 04:14:19,546 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 200.3MB. Free memory is still 154.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 751.24ms. Allocated memory was 200.3MB in the beginning and 280.0MB in the end (delta: 79.7MB). Free memory was 165.7MB in the beginning and 203.8MB in the end (delta: -38.0MB). Peak memory consumption was 43.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.10ms. Allocated memory is still 280.0MB. Free memory was 203.8MB in the beginning and 200.2MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.83ms. Allocated memory is still 280.0MB. Free memory was 200.2MB in the beginning and 197.2MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 471.02ms. Allocated memory is still 280.0MB. Free memory was 197.2MB in the beginning and 230.9MB in the end (delta: -33.7MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * TraceAbstraction took 17286.70ms. Allocated memory was 280.0MB in the beginning and 4.7GB in the end (delta: 4.4GB). Free memory was 229.8MB in the beginning and 3.8GB in the end (delta: -3.6GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 558766, independent: 424357, independent conditional: 403009, independent unconditional: 21348, dependent: 134409, dependent conditional: 134359, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 424449, independent: 424357, independent conditional: 403009, independent unconditional: 21348, dependent: 92, dependent conditional: 42, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 424449, independent: 424357, independent conditional: 403009, independent unconditional: 21348, dependent: 92, dependent conditional: 42, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 424543, independent: 424357, independent conditional: 0, independent unconditional: 424357, dependent: 186, dependent conditional: 94, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 424543, independent: 424357, independent conditional: 0, independent unconditional: 424357, dependent: 186, dependent conditional: 1, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 424543, independent: 424357, independent conditional: 0, independent unconditional: 424357, dependent: 186, dependent conditional: 1, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13720, independent: 13669, independent conditional: 0, independent unconditional: 13669, dependent: 51, dependent conditional: 1, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13720, independent: 13660, independent conditional: 0, independent unconditional: 13660, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 60, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 51, dependent conditional: 1, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 51, dependent conditional: 1, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 210, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 139, dependent conditional: 2, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 424543, independent: 410688, independent conditional: 0, independent unconditional: 410688, dependent: 135, dependent conditional: 0, dependent unconditional: 135, unknown: 13720, unknown conditional: 1, unknown unconditional: 13719] , Statistics on independence cache: Total cache size (in pairs): 13720, Positive cache size: 13669, Positive conditional cache size: 0, Positive unconditional cache size: 13669, Negative cache size: 51, Negative conditional cache size: 1, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 93, Maximal queried relation: 6, Independence queries for same thread: 134317 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.9s, Number of persistent set computation: 24192, Number of trivial persistent sets: 22908, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21398, independent: 21348, independent conditional: 0, independent unconditional: 21348, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 558766, independent: 424357, independent conditional: 403009, independent unconditional: 21348, dependent: 134409, dependent conditional: 134359, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 424449, independent: 424357, independent conditional: 403009, independent unconditional: 21348, dependent: 92, dependent conditional: 42, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 424449, independent: 424357, independent conditional: 403009, independent unconditional: 21348, dependent: 92, dependent conditional: 42, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 424543, independent: 424357, independent conditional: 0, independent unconditional: 424357, dependent: 186, dependent conditional: 94, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 424543, independent: 424357, independent conditional: 0, independent unconditional: 424357, dependent: 186, dependent conditional: 1, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 424543, independent: 424357, independent conditional: 0, independent unconditional: 424357, dependent: 186, dependent conditional: 1, dependent unconditional: 185, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13720, independent: 13669, independent conditional: 0, independent unconditional: 13669, dependent: 51, dependent conditional: 1, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13720, independent: 13660, independent conditional: 0, independent unconditional: 13660, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 60, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 51, dependent conditional: 1, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 51, dependent conditional: 1, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 210, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 139, dependent conditional: 2, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 424543, independent: 410688, independent conditional: 0, independent unconditional: 410688, dependent: 135, dependent conditional: 0, dependent unconditional: 135, unknown: 13720, unknown conditional: 1, unknown unconditional: 13719] , Statistics on independence cache: Total cache size (in pairs): 13720, Positive cache size: 13669, Positive conditional cache size: 0, Positive unconditional cache size: 13669, Negative cache size: 51, Negative conditional cache size: 1, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 93, Maximal queried relation: 6, Independence queries for same thread: 134317 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 283576, independent: 220890, independent conditional: 205153, independent unconditional: 15737, dependent: 62686, dependent conditional: 62658, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 220932, independent: 220890, independent conditional: 205153, independent unconditional: 15737, dependent: 42, dependent conditional: 14, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 220932, independent: 220890, independent conditional: 205153, independent unconditional: 15737, dependent: 42, dependent conditional: 14, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 220966, independent: 220890, independent conditional: 0, independent unconditional: 220890, dependent: 76, dependent conditional: 34, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 220966, independent: 220890, independent conditional: 0, independent unconditional: 220890, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 220966, independent: 220890, independent conditional: 0, independent unconditional: 220890, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11048, independent: 11020, independent conditional: 0, independent unconditional: 11020, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11048, independent: 11012, independent conditional: 0, independent unconditional: 11012, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 36, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 220966, independent: 209870, independent conditional: 0, independent unconditional: 209870, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 11048, unknown conditional: 0, unknown unconditional: 11048] , Statistics on independence cache: Total cache size (in pairs): 11048, Positive cache size: 11020, Positive conditional cache size: 0, Positive unconditional cache size: 11020, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34, Maximal queried relation: 5, Independence queries for same thread: 62644 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 18981, Number of trivial persistent sets: 17772, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15765, independent: 15737, independent conditional: 0, independent unconditional: 15737, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 283576, independent: 220890, independent conditional: 205153, independent unconditional: 15737, dependent: 62686, dependent conditional: 62658, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 220932, independent: 220890, independent conditional: 205153, independent unconditional: 15737, dependent: 42, dependent conditional: 14, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 220932, independent: 220890, independent conditional: 205153, independent unconditional: 15737, dependent: 42, dependent conditional: 14, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 220966, independent: 220890, independent conditional: 0, independent unconditional: 220890, dependent: 76, dependent conditional: 34, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 220966, independent: 220890, independent conditional: 0, independent unconditional: 220890, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 220966, independent: 220890, independent conditional: 0, independent unconditional: 220890, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11048, independent: 11020, independent conditional: 0, independent unconditional: 11020, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11048, independent: 11012, independent conditional: 0, independent unconditional: 11012, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 36, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 220966, independent: 209870, independent conditional: 0, independent unconditional: 209870, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 11048, unknown conditional: 0, unknown unconditional: 11048] , Statistics on independence cache: Total cache size (in pairs): 11048, Positive cache size: 11020, Positive conditional cache size: 0, Positive unconditional cache size: 11020, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34, Maximal queried relation: 5, Independence queries for same thread: 62644 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 458128, independent: 351442, independent conditional: 332683, independent unconditional: 18759, dependent: 106686, dependent conditional: 106647, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 351499, independent: 351442, independent conditional: 332683, independent unconditional: 18759, dependent: 57, dependent conditional: 18, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 351499, independent: 351442, independent conditional: 332683, independent unconditional: 18759, dependent: 57, dependent conditional: 18, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 351554, independent: 351442, independent conditional: 0, independent unconditional: 351442, dependent: 112, dependent conditional: 55, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 351554, independent: 351442, independent conditional: 0, independent unconditional: 351442, dependent: 112, dependent conditional: 1, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 351554, independent: 351442, independent conditional: 0, independent unconditional: 351442, dependent: 112, dependent conditional: 1, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13398, independent: 13358, independent conditional: 0, independent unconditional: 13358, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13398, independent: 13350, independent conditional: 0, independent unconditional: 13350, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 48, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 56, dependent conditional: 1, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 351554, independent: 338084, independent conditional: 0, independent unconditional: 338084, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 13398, unknown conditional: 1, unknown unconditional: 13397] , Statistics on independence cache: Total cache size (in pairs): 13398, Positive cache size: 13358, Positive conditional cache size: 0, Positive unconditional cache size: 13358, Negative cache size: 40, Negative conditional cache size: 1, Negative unconditional cache size: 39, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 54, Maximal queried relation: 6, Independence queries for same thread: 106629 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 21591, Number of trivial persistent sets: 19797, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18798, independent: 18759, independent conditional: 0, independent unconditional: 18759, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 458128, independent: 351442, independent conditional: 332683, independent unconditional: 18759, dependent: 106686, dependent conditional: 106647, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 351499, independent: 351442, independent conditional: 332683, independent unconditional: 18759, dependent: 57, dependent conditional: 18, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 351499, independent: 351442, independent conditional: 332683, independent unconditional: 18759, dependent: 57, dependent conditional: 18, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 351554, independent: 351442, independent conditional: 0, independent unconditional: 351442, dependent: 112, dependent conditional: 55, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 351554, independent: 351442, independent conditional: 0, independent unconditional: 351442, dependent: 112, dependent conditional: 1, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 351554, independent: 351442, independent conditional: 0, independent unconditional: 351442, dependent: 112, dependent conditional: 1, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13398, independent: 13358, independent conditional: 0, independent unconditional: 13358, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13398, independent: 13350, independent conditional: 0, independent unconditional: 13350, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 48, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 48, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 40, dependent conditional: 1, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 56, dependent conditional: 1, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 351554, independent: 338084, independent conditional: 0, independent unconditional: 338084, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 13398, unknown conditional: 1, unknown unconditional: 13397] , Statistics on independence cache: Total cache size (in pairs): 13398, Positive cache size: 13358, Positive conditional cache size: 0, Positive unconditional cache size: 13358, Negative cache size: 40, Negative conditional cache size: 1, Negative unconditional cache size: 39, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 54, Maximal queried relation: 6, Independence queries for same thread: 106629 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: 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, 328 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 6.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 37, 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, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 604 NumberOfCodeBlocks, 604 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 598 ConstructedInterpolants, 0 QuantifiedInterpolants, 675 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 90/90 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_ath9kThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 328 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 792 NumberOfCodeBlocks, 792 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 787 ConstructedInterpolants, 0 QuantifiedInterpolants, 846 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 819/819 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_usbThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 328 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 38, 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 881 NumberOfCodeBlocks, 881 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 949 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 804/804 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-20 04:14:19,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2023-05-20 04:14:19,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2023-05-20 04:14:20,014 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 [2023-05-20 04:14:20,196 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...