/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 08:40:41,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 08:40:41,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 08:40:41,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 08:40:41,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 08:40:41,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 08:40:41,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 08:40:41,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 08:40:41,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 08:40:41,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 08:40:41,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 08:40:41,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 08:40:41,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 08:40:41,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 08:40:41,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 08:40:41,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 08:40:41,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 08:40:41,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 08:40:41,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 08:40:41,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 08:40:41,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 08:40:41,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 08:40:41,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 08:40:41,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 08:40:41,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 08:40:41,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 08:40:41,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 08:40:41,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 08:40:41,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 08:40:41,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 08:40:41,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 08:40:41,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 08:40:41,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 08:40:41,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 08:40:41,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 08:40:41,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 08:40:41,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 08:40:41,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 08:40:41,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 08:40:41,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 08:40:41,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 08:40:41,356 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 08:40:41,377 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 08:40:41,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 08:40:41,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 08:40:41,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 08:40:41,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 08:40:41,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 08:40:41,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 08:40:41,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 08:40:41,379 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 08:40:41,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 08:40:41,380 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 08:40:41,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 08:40:41,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 08:40:41,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 08:40:41,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 08:40:41,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 08:40:41,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 08:40:41,380 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 08:40:41,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 08:40:41,381 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 08:40:41,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 08:40:41,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 08:40:41,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 08:40:41,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 08:40:41,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 08:40:41,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 08:40:41,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 08:40:41,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 08:40:41,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 08:40:41,382 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 08:40:41,382 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 08:40:41,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 08:40:41,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 08:40:41,383 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 08:40:41,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 08:40:41,383 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 08:40:41,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 08:40:41,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 08:40:41,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 08:40:41,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 08:40:41,591 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 08:40:41,592 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 08:40:41,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2023-05-20 08:40:41,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814e0855a/069f38adc6fd4d3b880cd697e66d9a04/FLAGc0b7eea00 [2023-05-20 08:40:42,053 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 08:40:42,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2023-05-20 08:40:42,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814e0855a/069f38adc6fd4d3b880cd697e66d9a04/FLAGc0b7eea00 [2023-05-20 08:40:42,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814e0855a/069f38adc6fd4d3b880cd697e66d9a04 [2023-05-20 08:40:42,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 08:40:42,070 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 08:40:42,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 08:40:42,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 08:40:42,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 08:40:42,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 08:40:42" (1/1) ... [2023-05-20 08:40:42,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a25cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42, skipping insertion in model container [2023-05-20 08:40:42,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 08:40:42" (1/1) ... [2023-05-20 08:40:42,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 08:40:42,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 08:40:42,235 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/popl20-more-buffer-mult.wvr.c[4218,4231] [2023-05-20 08:40:42,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 08:40:42,248 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 08:40:42,271 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/popl20-more-buffer-mult.wvr.c[4218,4231] [2023-05-20 08:40:42,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 08:40:42,283 INFO L208 MainTranslator]: Completed translation [2023-05-20 08:40:42,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42 WrapperNode [2023-05-20 08:40:42,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 08:40:42,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 08:40:42,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 08:40:42,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 08:40:42,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42" (1/1) ... [2023-05-20 08:40:42,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42" (1/1) ... [2023-05-20 08:40:42,340 INFO L138 Inliner]: procedures = 27, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 307 [2023-05-20 08:40:42,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 08:40:42,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 08:40:42,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 08:40:42,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 08:40:42,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42" (1/1) ... [2023-05-20 08:40:42,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42" (1/1) ... [2023-05-20 08:40:42,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42" (1/1) ... [2023-05-20 08:40:42,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42" (1/1) ... [2023-05-20 08:40:42,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42" (1/1) ... [2023-05-20 08:40:42,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42" (1/1) ... [2023-05-20 08:40:42,361 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42" (1/1) ... [2023-05-20 08:40:42,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42" (1/1) ... [2023-05-20 08:40:42,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 08:40:42,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 08:40:42,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 08:40:42,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 08:40:42,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42" (1/1) ... [2023-05-20 08:40:42,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 08:40:42,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:42,399 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 08:40:42,406 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 08:40:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 08:40:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 08:40:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 08:40:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 08:40:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 08:40:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 08:40:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 08:40:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 08:40:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 08:40:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 08:40:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-20 08:40:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-20 08:40:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 08:40:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 08:40:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 08:40:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 08:40:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 08:40:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 08:40:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 08:40:42,432 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 08:40:42,509 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 08:40:42,510 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 08:40:42,869 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 08:40:43,002 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 08:40:43,003 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2023-05-20 08:40:43,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 08:40:43 BoogieIcfgContainer [2023-05-20 08:40:43,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 08:40:43,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 08:40:43,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 08:40:43,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 08:40:43,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 08:40:42" (1/3) ... [2023-05-20 08:40:43,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b625aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 08:40:43, skipping insertion in model container [2023-05-20 08:40:43,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 08:40:42" (2/3) ... [2023-05-20 08:40:43,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b625aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 08:40:43, skipping insertion in model container [2023-05-20 08:40:43,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 08:40:43" (3/3) ... [2023-05-20 08:40:43,013 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2023-05-20 08:40:43,019 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 08:40:43,024 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 08:40:43,024 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 08:40:43,024 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 08:40:43,118 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-20 08:40:43,149 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 08:40:43,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 08:40:43,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:43,151 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 08:40:43,154 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 08:40:43,174 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 08:40:43,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 08:40:43,191 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;@651e9f0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 08:40:43,191 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-20 08:40:43,477 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:43,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:43,482 INFO L85 PathProgramCache]: Analyzing trace with hash 342812475, now seen corresponding path program 1 times [2023-05-20 08:40:43,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:43,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768757275] [2023-05-20 08:40:43,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:43,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:43,772 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 08:40:43,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:43,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768757275] [2023-05-20 08:40:43,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768757275] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:43,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 08:40:43,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 08:40:43,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492159062] [2023-05-20 08:40:43,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:43,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 08:40:43,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:43,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 08:40:43,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 08:40:43,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:43,796 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:43,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 87.5) internal successors, (175), 2 states have internal predecessors, (175), 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 08:40:43,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:43,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:43,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 08:40:43,839 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:43,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:43,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1806313977, now seen corresponding path program 1 times [2023-05-20 08:40:43,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:43,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224484445] [2023-05-20 08:40:43,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:43,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 08:40:44,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:44,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224484445] [2023-05-20 08:40:44,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224484445] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:44,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 08:40:44,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 08:40:44,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472815152] [2023-05-20 08:40:44,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:44,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 08:40:44,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:44,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 08:40:44,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 08:40:44,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:44,147 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:44,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 08:40:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:44,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:44,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 08:40:44,191 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:44,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:44,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1736836476, now seen corresponding path program 1 times [2023-05-20 08:40:44,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:44,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391768951] [2023-05-20 08:40:44,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:44,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:44,462 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 08:40:44,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:44,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391768951] [2023-05-20 08:40:44,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391768951] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:44,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 08:40:44,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 08:40:44,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684337024] [2023-05-20 08:40:44,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:44,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 08:40:44,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:44,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 08:40:44,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 08:40:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:44,472 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:44,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 6 states have internal predecessors, (172), 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 08:40:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:44,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:44,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:44,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:44,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:44,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 08:40:44,562 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:44,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:44,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1642568432, now seen corresponding path program 1 times [2023-05-20 08:40:44,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:44,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437400343] [2023-05-20 08:40:44,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:44,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:45,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 08:40:45,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:45,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437400343] [2023-05-20 08:40:45,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437400343] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:45,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 08:40:45,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 08:40:45,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501462420] [2023-05-20 08:40:45,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:45,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 08:40:45,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:45,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 08:40:45,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-05-20 08:40:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:45,221 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:45,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 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 08:40:45,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:45,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:45,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:45,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:45,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:45,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:45,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 08:40:45,355 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:45,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:45,356 INFO L85 PathProgramCache]: Analyzing trace with hash -373185593, now seen corresponding path program 1 times [2023-05-20 08:40:45,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:45,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323925857] [2023-05-20 08:40:45,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:45,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 08:40:45,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:45,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323925857] [2023-05-20 08:40:45,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323925857] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:45,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 08:40:45,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 08:40:45,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824907433] [2023-05-20 08:40:45,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:45,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 08:40:45,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:45,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 08:40:45,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 08:40:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:45,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:45,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 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 08:40:45,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:45,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:45,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:45,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:45,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:45,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 08:40:45,696 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:45,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:45,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1037607299, now seen corresponding path program 1 times [2023-05-20 08:40:45,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:45,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249536091] [2023-05-20 08:40:45,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:45,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:45,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 08:40:45,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:45,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249536091] [2023-05-20 08:40:45,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249536091] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:45,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 08:40:45,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 08:40:45,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045413539] [2023-05-20 08:40:45,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:45,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 08:40:45,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:45,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 08:40:45,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 08:40:45,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:45,801 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:45,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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 08:40:45,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:45,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:45,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:45,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:45,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:45,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:46,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:46,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:46,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:46,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:46,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:46,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:46,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 08:40:46,260 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:46,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:46,261 INFO L85 PathProgramCache]: Analyzing trace with hash -70396092, now seen corresponding path program 1 times [2023-05-20 08:40:46,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:46,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808677384] [2023-05-20 08:40:46,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:46,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:46,563 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 08:40:46,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:46,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808677384] [2023-05-20 08:40:46,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808677384] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:46,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735431129] [2023-05-20 08:40:46,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:46,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:46,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:46,566 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 08:40:46,624 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 08:40:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:46,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 08:40:46,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:40:47,022 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 08:40:47,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:40:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 08:40:47,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735431129] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:40:47,238 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:40:47,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-20 08:40:47,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772129361] [2023-05-20 08:40:47,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:40:47,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 08:40:47,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:47,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 08:40:47,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-20 08:40:47,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:47,240 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:47,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.421052631578947) internal successors, (255), 19 states have internal predecessors, (255), 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 08:40:47,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:47,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:47,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:47,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:47,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:47,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:47,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:47,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:47,615 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 08:40:47,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-05-20 08:40:47,815 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:47,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:47,815 INFO L85 PathProgramCache]: Analyzing trace with hash 615698872, now seen corresponding path program 2 times [2023-05-20 08:40:47,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:47,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754278190] [2023-05-20 08:40:47,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:47,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 08:40:48,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:48,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754278190] [2023-05-20 08:40:48,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754278190] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:48,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432332048] [2023-05-20 08:40:48,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 08:40:48,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:48,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:48,305 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 08:40:48,323 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 08:40:48,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 08:40:48,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:40:48,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 08:40:48,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:40:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-20 08:40:48,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 08:40:48,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432332048] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:48,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 08:40:48,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-05-20 08:40:48,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585267734] [2023-05-20 08:40:48,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:48,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 08:40:48,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:48,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 08:40:48,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2023-05-20 08:40:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:48,995 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:48,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 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 08:40:48,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:48,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:48,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:48,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:48,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:48,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:48,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:48,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:49,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:49,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:49,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:49,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:49,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:49,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:49,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:49,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 08:40:49,327 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 08:40:49,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:49,507 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:49,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:49,508 INFO L85 PathProgramCache]: Analyzing trace with hash -736286949, now seen corresponding path program 3 times [2023-05-20 08:40:49,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:49,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366588180] [2023-05-20 08:40:49,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:49,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-20 08:40:49,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:49,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366588180] [2023-05-20 08:40:49,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366588180] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:49,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 08:40:49,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 08:40:49,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908483111] [2023-05-20 08:40:49,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:49,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 08:40:49,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:49,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 08:40:49,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-20 08:40:49,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:49,620 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:49,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 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 08:40:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 08:40:49,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:49,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:49,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 08:40:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:49,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-20 08:40:49,880 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:49,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:49,881 INFO L85 PathProgramCache]: Analyzing trace with hash -818821415, now seen corresponding path program 4 times [2023-05-20 08:40:49,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:49,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162364624] [2023-05-20 08:40:49,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:49,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 08:40:50,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:50,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162364624] [2023-05-20 08:40:50,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162364624] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:50,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443970305] [2023-05-20 08:40:50,201 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 08:40:50,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:50,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:50,218 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:40:50,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 08:40:50,342 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 08:40:50,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:40:50,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 08:40:50,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:40:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 08:40:50,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:40:50,956 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 08:40:50,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443970305] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:40:50,957 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:40:50,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-05-20 08:40:50,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609369101] [2023-05-20 08:40:50,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:40:50,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-20 08:40:50,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:50,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-20 08:40:50,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-05-20 08:40:50,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:50,958 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:50,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 11.0) internal successors, (308), 28 states have internal predecessors, (308), 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 08:40:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 08:40:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 08:40:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:40:51,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 08:40:51,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:51,693 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:51,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:51,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1681879987, now seen corresponding path program 5 times [2023-05-20 08:40:51,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:51,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319925493] [2023-05-20 08:40:51,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:51,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:52,065 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 14 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 08:40:52,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:52,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319925493] [2023-05-20 08:40:52,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319925493] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:52,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18671396] [2023-05-20 08:40:52,065 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 08:40:52,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:52,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:52,079 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:40:52,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 08:40:52,236 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-05-20 08:40:52,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:40:52,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 08:40:52,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:40:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-05-20 08:40:52,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:40:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-05-20 08:40:52,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18671396] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:40:52,392 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:40:52,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6, 5] total 21 [2023-05-20 08:40:52,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570387633] [2023-05-20 08:40:52,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:40:52,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-20 08:40:52,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:52,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-20 08:40:52,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2023-05-20 08:40:52,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:52,393 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:52,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 16.142857142857142) internal successors, (339), 21 states have internal predecessors, (339), 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 08:40:52,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:52,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:52,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:52,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:52,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:52,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:52,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:52,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 08:40:52,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:52,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:40:52,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 08:40:53,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:53,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:40:53,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:40:53,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 08:40:53,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-20 08:40:53,390 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:53,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:53,391 INFO L85 PathProgramCache]: Analyzing trace with hash 185895689, now seen corresponding path program 6 times [2023-05-20 08:40:53,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:53,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942621530] [2023-05-20 08:40:53,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:53,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-20 08:40:53,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:53,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942621530] [2023-05-20 08:40:53,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942621530] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:53,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 08:40:53,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 08:40:53,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078015350] [2023-05-20 08:40:53,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:53,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 08:40:53,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:53,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 08:40:53,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-20 08:40:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:53,890 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:53,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 7 states have internal predecessors, (183), 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 08:40:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:53,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:53,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 08:40:53,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:53,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:40:53,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:40:53,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:40:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:40:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:40:54,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:54,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-05-20 08:40:54,220 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:54,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:54,220 INFO L85 PathProgramCache]: Analyzing trace with hash -662585232, now seen corresponding path program 1 times [2023-05-20 08:40:54,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:54,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894007624] [2023-05-20 08:40:54,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:54,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-05-20 08:40:54,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:54,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894007624] [2023-05-20 08:40:54,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894007624] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:54,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 08:40:54,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 08:40:54,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73289304] [2023-05-20 08:40:54,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:54,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 08:40:54,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:54,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 08:40:54,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 08:40:54,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:54,343 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:54,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.0) internal successors, (186), 6 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 08:40:54,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:54,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:54,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:54,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:54,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:54,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:54,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:54,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:40:54,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:54,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:40:54,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:40:54,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:54,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:54,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:40:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:40:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:40:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:54,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:54,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-05-20 08:40:54,439 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:54,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:54,439 INFO L85 PathProgramCache]: Analyzing trace with hash -976926920, now seen corresponding path program 1 times [2023-05-20 08:40:54,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:54,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71684260] [2023-05-20 08:40:54,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:54,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:54,547 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-20 08:40:54,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:54,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71684260] [2023-05-20 08:40:54,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71684260] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:54,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023921855] [2023-05-20 08:40:54,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:54,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:54,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:54,572 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:40:54,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 08:40:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:54,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 08:40:54,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:40:54,885 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-20 08:40:54,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:40:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-20 08:40:55,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023921855] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:40:55,299 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:40:55,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 7 [2023-05-20 08:40:55,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110688502] [2023-05-20 08:40:55,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:40:55,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 08:40:55,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:55,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 08:40:55,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-05-20 08:40:55,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:55,300 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:55,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 46.714285714285715) internal successors, (327), 7 states have internal predecessors, (327), 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 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:55,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:40:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:40:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:40:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:55,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 08:40:55,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-20 08:40:55,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:55,597 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:55,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:55,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1698105501, now seen corresponding path program 2 times [2023-05-20 08:40:55,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:55,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72201295] [2023-05-20 08:40:55,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:55,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-05-20 08:40:56,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:56,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72201295] [2023-05-20 08:40:56,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72201295] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 08:40:56,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 08:40:56,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 08:40:56,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924493670] [2023-05-20 08:40:56,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 08:40:56,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 08:40:56,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:56,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 08:40:56,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-20 08:40:56,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:56,010 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:56,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.125) internal successors, (193), 8 states have internal predecessors, (193), 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 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 08:40:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 08:40:56,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 08:40:56,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-05-20 08:40:56,278 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:56,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:56,278 INFO L85 PathProgramCache]: Analyzing trace with hash 746557729, now seen corresponding path program 1 times [2023-05-20 08:40:56,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:56,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340419668] [2023-05-20 08:40:56,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:56,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 25 proven. 80 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 08:40:56,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:56,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340419668] [2023-05-20 08:40:56,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340419668] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:56,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953152987] [2023-05-20 08:40:56,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:56,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:56,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:56,668 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:40:56,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 08:40:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:56,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 08:40:56,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:40:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 59 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 08:40:57,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:40:57,896 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 35 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 08:40:57,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953152987] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:40:57,896 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:40:57,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 46 [2023-05-20 08:40:57,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21038129] [2023-05-20 08:40:57,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:40:57,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-05-20 08:40:57,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:40:57,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-05-20 08:40:57,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=1737, Unknown=0, NotChecked=0, Total=2070 [2023-05-20 08:40:57,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:57,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:40:57,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 8.521739130434783) internal successors, (392), 46 states have internal predecessors, (392), 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 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 08:40:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 08:40:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 08:40:58,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 08:40:58,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 08:40:58,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:58,679 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:40:58,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:40:58,679 INFO L85 PathProgramCache]: Analyzing trace with hash 2016950061, now seen corresponding path program 2 times [2023-05-20 08:40:58,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:40:58,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256639229] [2023-05-20 08:40:58,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:40:58,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:40:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:40:59,171 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-05-20 08:40:59,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:40:59,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256639229] [2023-05-20 08:40:59,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256639229] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:40:59,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515979651] [2023-05-20 08:40:59,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 08:40:59,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:40:59,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:40:59,172 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:40:59,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 08:40:59,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 08:40:59,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:40:59,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-20 08:40:59,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:41:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 36 proven. 22 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-05-20 08:41:00,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:41:00,811 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 44 proven. 14 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-05-20 08:41:00,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515979651] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:41:00,812 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:41:00,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15, 17] total 37 [2023-05-20 08:41:00,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555068199] [2023-05-20 08:41:00,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:41:00,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-20 08:41:00,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:41:00,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-20 08:41:00,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=1068, Unknown=0, NotChecked=0, Total=1332 [2023-05-20 08:41:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:00,815 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:41:00,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 15.243243243243244) internal successors, (564), 37 states have internal predecessors, (564), 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 08:41:00,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:00,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:00,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 08:41:00,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:03,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:03,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:03,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:03,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:03,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:03,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:03,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:41:03,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:41:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:41:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:41:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:41:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 08:41:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 08:41:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 08:41:03,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-20 08:41:03,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-20 08:41:04,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-20 08:41:04,084 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:41:04,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:41:04,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1989744455, now seen corresponding path program 3 times [2023-05-20 08:41:04,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:41:04,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603962096] [2023-05-20 08:41:04,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:41:04,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:41:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:41:04,348 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-05-20 08:41:04,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:41:04,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603962096] [2023-05-20 08:41:04,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603962096] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:41:04,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916088878] [2023-05-20 08:41:04,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 08:41:04,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:41:04,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:41:04,350 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:41:04,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 08:41:04,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 08:41:04,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:41:04,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 08:41:04,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:41:04,718 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-05-20 08:41:04,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:41:04,981 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-05-20 08:41:04,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916088878] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:41:04,981 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:41:04,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-20 08:41:04,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658405920] [2023-05-20 08:41:04,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:41:04,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 08:41:04,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:41:04,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 08:41:04,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-20 08:41:04,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:04,982 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:41:04,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.894736842105264) internal successors, (302), 19 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 08:41:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:04,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-20 08:41:04,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:05,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 08:41:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-20 08:41:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:41:05,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 08:41:05,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-20 08:41:05,574 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:41:05,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:41:05,574 INFO L85 PathProgramCache]: Analyzing trace with hash 441790809, now seen corresponding path program 4 times [2023-05-20 08:41:05,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:41:05,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343968796] [2023-05-20 08:41:05,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:41:05,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:41:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:41:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-05-20 08:41:05,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:41:05,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343968796] [2023-05-20 08:41:05,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343968796] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:41:05,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392716082] [2023-05-20 08:41:05,788 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 08:41:05,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:41:05,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:41:05,789 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:41:05,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 08:41:06,023 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 08:41:06,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:41:06,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-20 08:41:06,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:41:06,226 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-05-20 08:41:06,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:41:06,680 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 40 proven. 34 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-05-20 08:41:06,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392716082] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:41:06,681 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:41:06,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 7] total 11 [2023-05-20 08:41:06,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730200078] [2023-05-20 08:41:06,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:41:06,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 08:41:06,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:41:06,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 08:41:06,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2023-05-20 08:41:06,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:06,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:41:06,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 34.36363636363637) internal successors, (378), 11 states have internal predecessors, (378), 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 08:41:06,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:06,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:06,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:06,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:06,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:06,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:06,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:41:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:41:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:41:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:41:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:41:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 08:41:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 08:41:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 08:41:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-20 08:41:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:41:06,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:41:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:41:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:41:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:41:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:41:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 08:41:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 08:41:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 08:41:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-20 08:41:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:41:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 08:41:06,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 08:41:07,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:41:07,053 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:41:07,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:41:07,054 INFO L85 PathProgramCache]: Analyzing trace with hash 624352253, now seen corresponding path program 5 times [2023-05-20 08:41:07,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:41:07,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288283285] [2023-05-20 08:41:07,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:41:07,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:41:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:41:07,560 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 37 proven. 16 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-05-20 08:41:07,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:41:07,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288283285] [2023-05-20 08:41:07,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288283285] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:41:07,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961479899] [2023-05-20 08:41:07,561 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 08:41:07,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:41:07,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:41:07,562 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:41:07,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 08:41:07,816 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-20 08:41:07,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:41:07,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-20 08:41:07,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:41:08,535 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 23 proven. 37 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-05-20 08:41:08,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:41:09,003 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-05-20 08:41:09,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961479899] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 08:41:09,003 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 08:41:09,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 14] total 37 [2023-05-20 08:41:09,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749693382] [2023-05-20 08:41:09,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 08:41:09,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-20 08:41:09,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 08:41:09,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-20 08:41:09,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=1091, Unknown=0, NotChecked=0, Total=1332 [2023-05-20 08:41:09,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:09,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 08:41:09,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 15.54054054054054) internal successors, (575), 37 states have internal predecessors, (575), 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 08:41:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:41:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:41:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:41:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:41:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:41:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 08:41:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 08:41:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 08:41:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-20 08:41:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:41:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 08:41:09,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 08:41:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 08:41:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-20 08:41:10,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 08:41:10,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:41:10,989 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 08:41:10,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 08:41:10,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1722821375, now seen corresponding path program 6 times [2023-05-20 08:41:10,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 08:41:10,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82710751] [2023-05-20 08:41:10,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 08:41:10,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 08:41:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 08:41:26,843 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 08:41:26,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 08:41:26,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82710751] [2023-05-20 08:41:26,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82710751] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 08:41:26,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488211280] [2023-05-20 08:41:26,844 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 08:41:26,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 08:41:26,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 08:41:26,857 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 08:41:26,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 08:41:27,209 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2023-05-20 08:41:27,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 08:41:27,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 166 conjunts are in the unsatisfiable core [2023-05-20 08:41:27,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 08:41:27,260 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 08:41:27,926 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-20 08:41:27,926 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-20 08:41:29,377 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 08:41:29,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-20 08:41:29,889 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 08:41:30,613 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 08:41:30,757 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 08:41:31,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 08:41:31,092 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2023-05-20 08:41:31,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2023-05-20 08:41:32,684 INFO L356 Elim1Store]: treesize reduction 81, result has 43.4 percent of original size [2023-05-20 08:41:32,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 97 treesize of output 82 [2023-05-20 08:41:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 08:41:32,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 08:41:38,828 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 08:41:38,828 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 482 treesize of output 326 [2023-05-20 08:41:39,538 INFO L356 Elim1Store]: treesize reduction 12, result has 97.2 percent of original size [2023-05-20 08:41:39,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 15573838 treesize of output 14880334 [2023-05-20 08:42:01,415 WARN L233 SmtUtils]: Spent 21.86s on a formula simplification that was a NOOP. DAG size: 2852 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-20 08:42:01,752 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 08:42:01,754 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 14879918 treesize of output 12777808 [2023-05-20 08:42:23,738 WARN L233 SmtUtils]: Spent 21.98s on a formula simplification that was a NOOP. DAG size: 2908 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-20 08:42:24,118 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 08:42:24,121 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 12777518 treesize of output 8573008 [2023-05-20 08:42:46,186 WARN L233 SmtUtils]: Spent 22.06s on a formula simplification that was a NOOP. DAG size: 2964 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-20 08:42:46,299 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 08:42:46,649 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 08:42:46,652 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 8572718 treesize of output 7515742 [2023-05-20 08:43:08,920 WARN L233 SmtUtils]: Spent 22.27s on a formula simplification that was a NOOP. DAG size: 3035 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-05-20 08:43:09,034 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 08:43:09,385 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 08:43:09,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 7515374 treesize of output 6987070 [2023-05-20 08:43:31,864 WARN L233 SmtUtils]: Spent 22.47s on a formula simplification that was a NOOP. DAG size: 3106 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-05-20 08:54:52,335 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-20 08:54:52,337 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-05-20 08:54:52,348 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 08:54:52,348 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 08:54:52,348 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 08:54:52,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-20 08:54:52,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-05-20 08:54:52,554 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 246 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 39ms.. [2023-05-20 08:54:52,556 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-20 08:54:52,556 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-20 08:54:52,556 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-20 08:54:52,556 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-20 08:54:52,559 INFO L444 BasicCegarLoop]: Path program histogram: [6, 6, 2, 1, 1, 1, 1, 1, 1, 1] [2023-05-20 08:54:52,561 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 08:54:52,561 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 08:54:52,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 08:54:52 BasicIcfg [2023-05-20 08:54:52,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 08:54:52,562 INFO L158 Benchmark]: Toolchain (without parser) took 850492.10ms. Allocated memory was 174.1MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 149.7MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-05-20 08:54:52,563 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 127.9MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 08:54:52,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.19ms. Allocated memory is still 174.1MB. Free memory was 149.5MB in the beginning and 148.9MB in the end (delta: 619.6kB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-05-20 08:54:52,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.93ms. Allocated memory is still 174.1MB. Free memory was 148.9MB in the beginning and 146.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 08:54:52,563 INFO L158 Benchmark]: Boogie Preprocessor took 23.92ms. Allocated memory is still 174.1MB. Free memory was 146.1MB in the beginning and 144.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 08:54:52,563 INFO L158 Benchmark]: RCFGBuilder took 639.12ms. Allocated memory is still 174.1MB. Free memory was 143.7MB in the beginning and 98.0MB in the end (delta: 45.7MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2023-05-20 08:54:52,563 INFO L158 Benchmark]: TraceAbstraction took 849555.78ms. Allocated memory was 174.1MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 96.9MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-05-20 08:54:52,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 127.9MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 212.19ms. Allocated memory is still 174.1MB. Free memory was 149.5MB in the beginning and 148.9MB in the end (delta: 619.6kB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.93ms. Allocated memory is still 174.1MB. Free memory was 148.9MB in the beginning and 146.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.92ms. Allocated memory is still 174.1MB. Free memory was 146.1MB in the beginning and 144.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 639.12ms. Allocated memory is still 174.1MB. Free memory was 143.7MB in the beginning and 98.0MB in the end (delta: 45.7MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * TraceAbstraction took 849555.78ms. Allocated memory was 174.1MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 96.9MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 165363, independent: 147844, independent conditional: 144639, independent unconditional: 3205, dependent: 17519, dependent conditional: 17471, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 149446, independent: 147844, independent conditional: 144639, independent unconditional: 3205, dependent: 1602, dependent conditional: 1554, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 149446, independent: 147844, independent conditional: 144639, independent unconditional: 3205, dependent: 1602, dependent conditional: 1554, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 157031, independent: 147844, independent conditional: 975, independent unconditional: 146869, dependent: 9187, dependent conditional: 6610, dependent unconditional: 2577, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 157031, independent: 147844, independent conditional: 975, independent unconditional: 146869, dependent: 9187, dependent conditional: 2244, dependent unconditional: 6943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 157031, independent: 147844, independent conditional: 975, independent unconditional: 146869, dependent: 9187, dependent conditional: 2244, dependent unconditional: 6943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3093, independent: 2974, independent conditional: 14, independent unconditional: 2960, dependent: 119, dependent conditional: 71, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3093, independent: 2955, independent conditional: 0, independent unconditional: 2955, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 138, independent: 19, independent conditional: 14, independent unconditional: 5, dependent: 119, dependent conditional: 71, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 138, independent: 19, independent conditional: 14, independent unconditional: 5, dependent: 119, dependent conditional: 71, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 438, independent: 126, independent conditional: 52, independent unconditional: 73, dependent: 312, dependent conditional: 183, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 157031, independent: 144870, independent conditional: 961, independent unconditional: 143909, dependent: 9068, dependent conditional: 2173, dependent unconditional: 6895, unknown: 3093, unknown conditional: 85, unknown unconditional: 3008] , Statistics on independence cache: Total cache size (in pairs): 3093, Positive cache size: 2974, Positive conditional cache size: 14, Positive unconditional cache size: 2960, Negative cache size: 119, Negative conditional cache size: 71, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4366, Maximal queried relation: 14, Independence queries for same thread: 15917 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 2111, Number of trivial persistent sets: 1622, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3253, independent: 3205, independent conditional: 0, independent unconditional: 3205, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 165363, independent: 147844, independent conditional: 144639, independent unconditional: 3205, dependent: 17519, dependent conditional: 17471, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 149446, independent: 147844, independent conditional: 144639, independent unconditional: 3205, dependent: 1602, dependent conditional: 1554, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 149446, independent: 147844, independent conditional: 144639, independent unconditional: 3205, dependent: 1602, dependent conditional: 1554, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 157031, independent: 147844, independent conditional: 975, independent unconditional: 146869, dependent: 9187, dependent conditional: 6610, dependent unconditional: 2577, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 157031, independent: 147844, independent conditional: 975, independent unconditional: 146869, dependent: 9187, dependent conditional: 2244, dependent unconditional: 6943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 157031, independent: 147844, independent conditional: 975, independent unconditional: 146869, dependent: 9187, dependent conditional: 2244, dependent unconditional: 6943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3093, independent: 2974, independent conditional: 14, independent unconditional: 2960, dependent: 119, dependent conditional: 71, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3093, independent: 2955, independent conditional: 0, independent unconditional: 2955, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 138, independent: 19, independent conditional: 14, independent unconditional: 5, dependent: 119, dependent conditional: 71, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 138, independent: 19, independent conditional: 14, independent unconditional: 5, dependent: 119, dependent conditional: 71, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 438, independent: 126, independent conditional: 52, independent unconditional: 73, dependent: 312, dependent conditional: 183, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 157031, independent: 144870, independent conditional: 961, independent unconditional: 143909, dependent: 9068, dependent conditional: 2173, dependent unconditional: 6895, unknown: 3093, unknown conditional: 85, unknown unconditional: 3008] , Statistics on independence cache: Total cache size (in pairs): 3093, Positive cache size: 2974, Positive conditional cache size: 14, Positive unconditional cache size: 2960, Negative cache size: 119, Negative conditional cache size: 71, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4366, Maximal queried relation: 14, Independence queries for same thread: 15917 - TimeoutResultAtElement [Line: 152]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 246 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 39ms.. - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 246 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 39ms.. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 246 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 39ms.. - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 246 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 39ms.. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 246 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 39ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 248 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 849.4s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 10.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 317, 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: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 6467 NumberOfCodeBlocks, 6228 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 8517 ConstructedInterpolants, 0 QuantifiedInterpolants, 35354 SizeOfPredicates, 75 NumberOfNonLiveVariables, 5564 ConjunctsInSsa, 118 ConjunctsInUnsatCore, 39 InterpolantComputations, 11 PerfectInterpolantSequences, 2370/2862 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown