/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-node-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 16:52:25,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 16:52:25,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 16:52:25,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 16:52:25,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 16:52:25,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 16:52:25,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 16:52:25,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 16:52:25,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 16:52:25,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 16:52:25,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 16:52:25,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 16:52:25,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 16:52:25,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 16:52:25,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 16:52:25,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 16:52:25,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 16:52:25,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 16:52:25,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 16:52:25,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 16:52:25,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 16:52:25,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 16:52:25,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 16:52:25,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 16:52:25,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 16:52:25,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 16:52:25,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 16:52:25,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 16:52:25,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 16:52:25,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 16:52:25,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 16:52:25,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 16:52:25,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 16:52:25,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 16:52:25,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 16:52:25,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 16:52:25,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 16:52:25,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 16:52:25,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 16:52:25,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 16:52:25,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 16:52:25,381 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 16:52:25,411 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 16:52:25,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 16:52:25,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 16:52:25,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 16:52:25,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 16:52:25,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 16:52:25,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 16:52:25,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 16:52:25,413 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 16:52:25,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 16:52:25,414 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 16:52:25,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 16:52:25,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 16:52:25,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 16:52:25,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 16:52:25,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 16:52:25,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 16:52:25,415 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 16:52:25,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 16:52:25,415 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 16:52:25,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 16:52:25,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 16:52:25,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 16:52:25,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 16:52:25,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 16:52:25,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:52:25,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 16:52:25,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 16:52:25,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 16:52:25,417 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 16:52:25,417 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 16:52:25,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 16:52:25,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 16:52:25,418 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 16:52:25,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 16:52:25,418 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 16:52:25,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 16:52:25,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 16:52:25,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 16:52:25,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 16:52:25,628 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 16:52:25,628 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 16:52:25,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-node-symm.wvr.c [2023-05-20 16:52:25,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2c1b386/a3cc3becc02a4ae083d596616f8433a1/FLAG21d3e3203 [2023-05-20 16:52:26,035 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 16:52:26,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-symm.wvr.c [2023-05-20 16:52:26,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2c1b386/a3cc3becc02a4ae083d596616f8433a1/FLAG21d3e3203 [2023-05-20 16:52:26,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2c1b386/a3cc3becc02a4ae083d596616f8433a1 [2023-05-20 16:52:26,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 16:52:26,054 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 16:52:26,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 16:52:26,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 16:52:26,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 16:52:26,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:52:26" (1/1) ... [2023-05-20 16:52:26,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba22a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26, skipping insertion in model container [2023-05-20 16:52:26,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:52:26" (1/1) ... [2023-05-20 16:52:26,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 16:52:26,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 16:52:26,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-symm.wvr.c[3305,3318] [2023-05-20 16:52:26,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:52:26,302 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 16:52:26,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-symm.wvr.c[3305,3318] [2023-05-20 16:52:26,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 16:52:26,344 INFO L208 MainTranslator]: Completed translation [2023-05-20 16:52:26,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26 WrapperNode [2023-05-20 16:52:26,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 16:52:26,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 16:52:26,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 16:52:26,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 16:52:26,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26" (1/1) ... [2023-05-20 16:52:26,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26" (1/1) ... [2023-05-20 16:52:26,399 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 282 [2023-05-20 16:52:26,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 16:52:26,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 16:52:26,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 16:52:26,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 16:52:26,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26" (1/1) ... [2023-05-20 16:52:26,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26" (1/1) ... [2023-05-20 16:52:26,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26" (1/1) ... [2023-05-20 16:52:26,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26" (1/1) ... [2023-05-20 16:52:26,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26" (1/1) ... [2023-05-20 16:52:26,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26" (1/1) ... [2023-05-20 16:52:26,429 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26" (1/1) ... [2023-05-20 16:52:26,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26" (1/1) ... [2023-05-20 16:52:26,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 16:52:26,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 16:52:26,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 16:52:26,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 16:52:26,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26" (1/1) ... [2023-05-20 16:52:26,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 16:52:26,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:52:26,464 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 16:52:26,470 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 16:52:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 16:52:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 16:52:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 16:52:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 16:52:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 16:52:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 16:52:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 16:52:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 16:52:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 16:52:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 16:52:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 16:52:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 16:52:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 16:52:26,499 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 16:52:26,592 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 16:52:26,594 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 16:52:27,022 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 16:52:27,032 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 16:52:27,032 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-20 16:52:27,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:52:27 BoogieIcfgContainer [2023-05-20 16:52:27,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 16:52:27,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 16:52:27,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 16:52:27,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 16:52:27,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 04:52:26" (1/3) ... [2023-05-20 16:52:27,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cc7dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:52:27, skipping insertion in model container [2023-05-20 16:52:27,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:52:26" (2/3) ... [2023-05-20 16:52:27,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cc7dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:52:27, skipping insertion in model container [2023-05-20 16:52:27,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:52:27" (3/3) ... [2023-05-20 16:52:27,042 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-symm.wvr.c [2023-05-20 16:52:27,049 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 16:52:27,057 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 16:52:27,057 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 16:52:27,057 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 16:52:27,142 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 16:52:27,188 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:52:27,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 16:52:27,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:52:27,194 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 16:52:27,215 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 16:52:27,242 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 16:52:27,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 16:52:27,285 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;@2d53151, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 16:52:27,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 16:52:27,618 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:52:27,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:52:27,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1773407347, now seen corresponding path program 1 times [2023-05-20 16:52:27,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:52:27,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302311478] [2023-05-20 16:52:27,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:27,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:52:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:28,050 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 16:52:28,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:52:28,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302311478] [2023-05-20 16:52:28,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302311478] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:52:28,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:52:28,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 16:52:28,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172187572] [2023-05-20 16:52:28,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:52:28,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 16:52:28,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:52:28,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 16:52:28,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 16:52:28,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:28,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:52:28,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 151.0) internal successors, (302), 2 states have internal predecessors, (302), 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 16:52:28,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:28,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 16:52:28,169 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:52:28,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:52:28,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1817127432, now seen corresponding path program 1 times [2023-05-20 16:52:28,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:52:28,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895767887] [2023-05-20 16:52:28,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:28,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:52:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:28,938 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 16:52:28,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:52:28,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895767887] [2023-05-20 16:52:28,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895767887] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:52:28,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:52:28,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 16:52:28,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801507240] [2023-05-20 16:52:28,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:52:28,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 16:52:28,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:52:28,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 16:52:28,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-05-20 16:52:28,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:28,945 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:52:28,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 36.625) internal successors, (293), 8 states have internal predecessors, (293), 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 16:52:28,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:28,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:29,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:29,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:29,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 16:52:29,123 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:52:29,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:52:29,123 INFO L85 PathProgramCache]: Analyzing trace with hash 2131728407, now seen corresponding path program 1 times [2023-05-20 16:52:29,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:52:29,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453026421] [2023-05-20 16:52:29,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:29,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:52:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 16:52:29,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:52:29,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453026421] [2023-05-20 16:52:29,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453026421] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:52:29,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230206892] [2023-05-20 16:52:29,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:29,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:52:29,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:52:29,495 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 16:52:29,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 16:52:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:29,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 16:52:29,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:52:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 16:52:29,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:52:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 16:52:30,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230206892] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 16:52:30,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 16:52:30,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 16 [2023-05-20 16:52:30,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314584828] [2023-05-20 16:52:30,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:52:30,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-20 16:52:30,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:52:30,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-20 16:52:30,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-05-20 16:52:30,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:30,237 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:52:30,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 33.333333333333336) internal successors, (300), 9 states have internal predecessors, (300), 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 16:52:30,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:30,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:30,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:30,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 16:52:30,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-20 16:52:30,617 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:52:30,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:52:30,618 INFO L85 PathProgramCache]: Analyzing trace with hash 443063706, now seen corresponding path program 1 times [2023-05-20 16:52:30,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:52:30,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916800387] [2023-05-20 16:52:30,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:30,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:52:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 16:52:31,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:52:31,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916800387] [2023-05-20 16:52:31,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916800387] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:52:31,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:52:31,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 16:52:31,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921125203] [2023-05-20 16:52:31,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:52:31,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 16:52:31,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:52:31,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 16:52:31,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-05-20 16:52:31,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:31,043 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:52:31,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 38.25) internal successors, (306), 8 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 16:52:31,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:31,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:31,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:31,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:31,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:31,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:31,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 16:52:31,161 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:52:31,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:52:31,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1807558168, now seen corresponding path program 1 times [2023-05-20 16:52:31,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:52:31,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932568675] [2023-05-20 16:52:31,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:31,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:52:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:31,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 16:52:31,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:52:31,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932568675] [2023-05-20 16:52:31,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932568675] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 16:52:31,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737526053] [2023-05-20 16:52:31,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:31,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:52:31,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 16:52:31,470 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 16:52:31,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 16:52:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:31,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 16:52:31,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 16:52:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 16:52:31,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 16:52:31,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 16:52:31,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737526053] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 16:52:31,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 16:52:31,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 16 [2023-05-20 16:52:31,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994371171] [2023-05-20 16:52:31,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:52:31,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-20 16:52:31,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:52:31,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-20 16:52:31,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-05-20 16:52:31,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:31,972 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:52:31,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 34.77777777777778) internal successors, (313), 9 states have internal predecessors, (313), 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 16:52:31,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:31,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:31,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:31,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:31,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:32,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:32,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:32,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:32,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:32,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:32,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 16:52:32,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 16:52:32,397 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:52:32,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:52:32,398 INFO L85 PathProgramCache]: Analyzing trace with hash 52051888, now seen corresponding path program 1 times [2023-05-20 16:52:32,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:52:32,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794424596] [2023-05-20 16:52:32,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:32,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:52:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:34,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 16:52:34,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:52:34,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794424596] [2023-05-20 16:52:34,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794424596] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:52:34,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:52:34,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2023-05-20 16:52:34,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789878030] [2023-05-20 16:52:34,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:52:34,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-05-20 16:52:34,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:52:34,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-05-20 16:52:34,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1160, Unknown=0, NotChecked=0, Total=1260 [2023-05-20 16:52:34,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:34,956 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:52:34,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 8.86111111111111) internal successors, (319), 36 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 16:52:34,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:34,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:34,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:34,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:34,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:34,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:38,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:38,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:38,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:38,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:38,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:38,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-20 16:52:38,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 16:52:38,164 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:52:38,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:52:38,164 INFO L85 PathProgramCache]: Analyzing trace with hash 866984483, now seen corresponding path program 1 times [2023-05-20 16:52:38,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:52:38,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331563984] [2023-05-20 16:52:38,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:38,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:52:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:38,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 16:52:38,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:52:38,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331563984] [2023-05-20 16:52:38,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331563984] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:52:38,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:52:38,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 16:52:38,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524849758] [2023-05-20 16:52:38,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:52:38,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 16:52:38,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:52:38,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 16:52:38,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 16:52:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:38,241 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:52:38,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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 16:52:38,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:38,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:38,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:38,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:38,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:38,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-20 16:52:38,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:38,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:38,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:38,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:38,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:38,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:38,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-20 16:52:38,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:52:38,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-20 16:52:38,285 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:52:38,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:52:38,286 INFO L85 PathProgramCache]: Analyzing trace with hash 164850913, now seen corresponding path program 1 times [2023-05-20 16:52:38,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:52:38,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729379273] [2023-05-20 16:52:38,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:38,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:52:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:39,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 16:52:39,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:52:39,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729379273] [2023-05-20 16:52:39,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729379273] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:52:39,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:52:39,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-05-20 16:52:39,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925228178] [2023-05-20 16:52:39,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:52:39,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-20 16:52:39,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:52:39,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-20 16:52:39,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-05-20 16:52:39,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:39,009 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:52:39,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 21.214285714285715) internal successors, (297), 14 states have internal predecessors, (297), 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 16:52:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-20 16:52:39,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:52:39,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:39,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:39,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:39,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:39,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:39,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:39,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-20 16:52:39,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:52:39,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:52:39,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-20 16:52:39,689 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:52:39,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:52:39,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1403516579, now seen corresponding path program 1 times [2023-05-20 16:52:39,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:52:39,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573942421] [2023-05-20 16:52:39,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:39,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:52:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:40,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 16:52:40,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:52:40,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573942421] [2023-05-20 16:52:40,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573942421] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:52:40,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:52:40,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-05-20 16:52:40,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868617686] [2023-05-20 16:52:40,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:52:40,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-20 16:52:40,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:52:40,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-20 16:52:40,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-05-20 16:52:40,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:40,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:52:40,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 22.692307692307693) internal successors, (295), 13 states have internal predecessors, (295), 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 16:52:40,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:40,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:40,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:40,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:40,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:40,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-20 16:52:40,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:52:40,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:52:40,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:40,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:40,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:40,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:40,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-20 16:52:40,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:52:40,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:52:40,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:52:40,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-20 16:52:40,842 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:52:40,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:52:40,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1437744421, now seen corresponding path program 1 times [2023-05-20 16:52:40,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:52:40,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082604218] [2023-05-20 16:52:40,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:40,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:52:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 16:52:41,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:52:41,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082604218] [2023-05-20 16:52:41,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082604218] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:52:41,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:52:41,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-05-20 16:52:41,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177406053] [2023-05-20 16:52:41,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:52:41,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-20 16:52:41,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:52:41,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-20 16:52:41,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-05-20 16:52:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:41,477 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:52:41,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 21.214285714285715) internal successors, (297), 14 states have internal predecessors, (297), 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 16:52:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-20 16:52:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:52:41,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:52:41,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:52:41,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:41,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:41,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:41,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:41,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:41,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:41,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-20 16:52:41,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:52:41,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:52:41,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 16:52:41,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-20 16:52:41,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-20 16:52:41,966 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:52:41,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:52:41,966 INFO L85 PathProgramCache]: Analyzing trace with hash -801130930, now seen corresponding path program 1 times [2023-05-20 16:52:41,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:52:41,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024995578] [2023-05-20 16:52:41,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:41,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:52:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 16:52:44,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:52:44,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024995578] [2023-05-20 16:52:44,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024995578] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:52:44,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:52:44,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2023-05-20 16:52:44,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773479950] [2023-05-20 16:52:44,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:52:44,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-20 16:52:44,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:52:44,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-20 16:52:44,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2023-05-20 16:52:44,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:44,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:52:44,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.75) internal successors, (273), 28 states have internal predecessors, (273), 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 16:52:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-20 16:52:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:52:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:52:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 16:52:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-20 16:52:44,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-20 16:52:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:52:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:52:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 16:52:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 16:52:46,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 16:52:46,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-05-20 16:52:46,744 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 16:52:46,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 16:52:46,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1593788575, now seen corresponding path program 1 times [2023-05-20 16:52:46,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 16:52:46,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681140859] [2023-05-20 16:52:46,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 16:52:46,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 16:52:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 16:52:47,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 16:52:47,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 16:52:47,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681140859] [2023-05-20 16:52:47,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681140859] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 16:52:47,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 16:52:47,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-05-20 16:52:47,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022841309] [2023-05-20 16:52:47,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 16:52:47,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-20 16:52:47,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 16:52:47,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-20 16:52:47,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-05-20 16:52:47,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:47,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 16:52:47,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 21.071428571428573) internal successors, (295), 14 states have internal predecessors, (295), 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 16:52:47,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:47,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:47,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:47,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:47,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:47,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-20 16:52:47,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:52:47,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:52:47,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 16:52:47,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 16:52:47,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 16:52:47,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 16:52:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 16:52:48,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 16:52:48,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 16:52:48,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 16:52:48,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-20 16:52:48,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 16:52:48,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 16:52:48,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 16:52:48,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 16:52:48,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 16:52:48,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 16:52:48,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 16:52:48,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 16:52:48,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 16:52:48,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-05-20 16:52:48,074 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-05-20 16:52:48,076 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 16:52:48,077 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 16:52:48,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 04:52:48 BasicIcfg [2023-05-20 16:52:48,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 16:52:48,080 INFO L158 Benchmark]: Toolchain (without parser) took 22026.03ms. Allocated memory was 187.7MB in the beginning and 562.0MB in the end (delta: 374.3MB). Free memory was 157.0MB in the beginning and 428.5MB in the end (delta: -271.5MB). Peak memory consumption was 103.0MB. Max. memory is 8.0GB. [2023-05-20 16:52:48,080 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory was 143.3MB in the beginning and 143.3MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 16:52:48,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.14ms. Allocated memory is still 187.7MB. Free memory was 156.7MB in the beginning and 156.8MB in the end (delta: -72.8kB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2023-05-20 16:52:48,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.31ms. Allocated memory is still 187.7MB. Free memory was 156.6MB in the beginning and 154.0MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 16:52:48,081 INFO L158 Benchmark]: Boogie Preprocessor took 33.07ms. Allocated memory is still 187.7MB. Free memory was 154.0MB in the beginning and 151.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 16:52:48,081 INFO L158 Benchmark]: RCFGBuilder took 600.62ms. Allocated memory is still 187.7MB. Free memory was 151.7MB in the beginning and 126.4MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-05-20 16:52:48,081 INFO L158 Benchmark]: TraceAbstraction took 21042.74ms. Allocated memory was 187.7MB in the beginning and 562.0MB in the end (delta: 374.3MB). Free memory was 125.1MB in the beginning and 428.5MB in the end (delta: -303.4MB). Peak memory consumption was 72.5MB. Max. memory is 8.0GB. [2023-05-20 16:52:48,082 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 187.7MB. Free memory was 143.3MB in the beginning and 143.3MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 290.14ms. Allocated memory is still 187.7MB. Free memory was 156.7MB in the beginning and 156.8MB in the end (delta: -72.8kB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.31ms. Allocated memory is still 187.7MB. Free memory was 156.6MB in the beginning and 154.0MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.07ms. Allocated memory is still 187.7MB. Free memory was 154.0MB in the beginning and 151.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 600.62ms. Allocated memory is still 187.7MB. Free memory was 151.7MB in the beginning and 126.4MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 21042.74ms. Allocated memory was 187.7MB in the beginning and 562.0MB in the end (delta: 374.3MB). Free memory was 125.1MB in the beginning and 428.5MB in the end (delta: -303.4MB). Peak memory consumption was 72.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11609, independent: 9200, independent conditional: 4272, independent unconditional: 4928, dependent: 2409, dependent conditional: 2393, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9216, independent: 9200, independent conditional: 4272, independent unconditional: 4928, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9216, independent: 9200, independent conditional: 4272, independent unconditional: 4928, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9256, independent: 9200, independent conditional: 17, independent unconditional: 9183, dependent: 56, dependent conditional: 23, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9256, independent: 9200, independent conditional: 17, independent unconditional: 9183, dependent: 56, dependent conditional: 23, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9256, independent: 9200, independent conditional: 17, independent unconditional: 9183, dependent: 56, dependent conditional: 23, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4967, independent: 4936, independent conditional: 8, independent unconditional: 4928, dependent: 31, dependent conditional: 15, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4967, independent: 4927, independent conditional: 0, independent unconditional: 4927, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 31, dependent conditional: 15, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 31, dependent conditional: 15, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, independent: 24, independent conditional: 15, independent unconditional: 9, dependent: 113, dependent conditional: 41, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9256, independent: 4264, independent conditional: 9, independent unconditional: 4255, dependent: 25, dependent conditional: 8, dependent unconditional: 17, unknown: 4967, unknown conditional: 23, unknown unconditional: 4944] , Statistics on independence cache: Total cache size (in pairs): 4967, Positive cache size: 4936, Positive conditional cache size: 8, Positive unconditional cache size: 4928, Negative cache size: 31, Negative conditional cache size: 15, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 4, Independence queries for same thread: 2393 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 635, Number of trivial persistent sets: 535, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4944, independent: 4928, independent conditional: 0, independent unconditional: 4928, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11609, independent: 9200, independent conditional: 4272, independent unconditional: 4928, dependent: 2409, dependent conditional: 2393, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9216, independent: 9200, independent conditional: 4272, independent unconditional: 4928, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9216, independent: 9200, independent conditional: 4272, independent unconditional: 4928, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9256, independent: 9200, independent conditional: 17, independent unconditional: 9183, dependent: 56, dependent conditional: 23, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9256, independent: 9200, independent conditional: 17, independent unconditional: 9183, dependent: 56, dependent conditional: 23, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9256, independent: 9200, independent conditional: 17, independent unconditional: 9183, dependent: 56, dependent conditional: 23, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4967, independent: 4936, independent conditional: 8, independent unconditional: 4928, dependent: 31, dependent conditional: 15, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4967, independent: 4927, independent conditional: 0, independent unconditional: 4927, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 31, dependent conditional: 15, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 31, dependent conditional: 15, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, independent: 24, independent conditional: 15, independent unconditional: 9, dependent: 113, dependent conditional: 41, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9256, independent: 4264, independent conditional: 9, independent unconditional: 4255, dependent: 25, dependent conditional: 8, dependent unconditional: 17, unknown: 4967, unknown conditional: 23, unknown unconditional: 4944] , Statistics on independence cache: Total cache size (in pairs): 4967, Positive cache size: 4936, Positive conditional cache size: 8, Positive unconditional cache size: 4928, Negative cache size: 31, Negative conditional cache size: 15, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 4, Independence queries for same thread: 2393 - PositiveResult [Line: 93]: 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, 451 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 20.9s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 9.3s, 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: 216, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 4198 NumberOfCodeBlocks, 4198 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4795 ConstructedInterpolants, 0 QuantifiedInterpolants, 21988 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1190 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 38/42 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-20 16:52:48,114 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 16:52:48,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...