/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-commit-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 12:19:24,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 12:19:24,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 12:19:24,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 12:19:24,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 12:19:24,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 12:19:24,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 12:19:24,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 12:19:24,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 12:19:24,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 12:19:24,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 12:19:24,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 12:19:24,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 12:19:24,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 12:19:24,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 12:19:24,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 12:19:24,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 12:19:24,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 12:19:24,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 12:19:24,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 12:19:24,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 12:19:24,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 12:19:24,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 12:19:24,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 12:19:24,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 12:19:24,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 12:19:24,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 12:19:24,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 12:19:24,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 12:19:24,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 12:19:24,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 12:19:24,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 12:19:24,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 12:19:24,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 12:19:24,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 12:19:24,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 12:19:24,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 12:19:24,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 12:19:24,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 12:19:24,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 12:19:24,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 12:19:24,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 12:19:24,157 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 12:19:24,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 12:19:24,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 12:19:24,158 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 12:19:24,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 12:19:24,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 12:19:24,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 12:19:24,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 12:19:24,159 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 12:19:24,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 12:19:24,160 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 12:19:24,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 12:19:24,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 12:19:24,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 12:19:24,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 12:19:24,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 12:19:24,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 12:19:24,161 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 12:19:24,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 12:19:24,161 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 12:19:24,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 12:19:24,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 12:19:24,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 12:19:24,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 12:19:24,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 12:19:24,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:19:24,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 12:19:24,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 12:19:24,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 12:19:24,163 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 12:19:24,163 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 12:19:24,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 12:19:24,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 12:19:24,163 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 12:19:24,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 12:19:24,163 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 12:19:24,164 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 12:19:24,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 12:19:24,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 12:19:24,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 12:19:24,431 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 12:19:24,432 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 12:19:24,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2023-05-04 12:19:24,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d866833a4/c84d90da98af4513bdb4080b54814fb2/FLAG67cd06587 [2023-05-04 12:19:24,841 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 12:19:24,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2023-05-04 12:19:24,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d866833a4/c84d90da98af4513bdb4080b54814fb2/FLAG67cd06587 [2023-05-04 12:19:25,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d866833a4/c84d90da98af4513bdb4080b54814fb2 [2023-05-04 12:19:25,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 12:19:25,260 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 12:19:25,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 12:19:25,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 12:19:25,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 12:19:25,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:19:25" (1/1) ... [2023-05-04 12:19:25,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe000e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25, skipping insertion in model container [2023-05-04 12:19:25,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:19:25" (1/1) ... [2023-05-04 12:19:25,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 12:19:25,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 12:19:25,469 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-commit-1.wvr.c[4604,4617] [2023-05-04 12:19:25,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:19:25,486 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 12:19:25,512 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-commit-1.wvr.c[4604,4617] [2023-05-04 12:19:25,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:19:25,530 INFO L208 MainTranslator]: Completed translation [2023-05-04 12:19:25,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25 WrapperNode [2023-05-04 12:19:25,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 12:19:25,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 12:19:25,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 12:19:25,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 12:19:25,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25" (1/1) ... [2023-05-04 12:19:25,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25" (1/1) ... [2023-05-04 12:19:25,575 INFO L138 Inliner]: procedures = 25, calls = 68, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 333 [2023-05-04 12:19:25,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 12:19:25,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 12:19:25,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 12:19:25,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 12:19:25,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25" (1/1) ... [2023-05-04 12:19:25,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25" (1/1) ... [2023-05-04 12:19:25,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25" (1/1) ... [2023-05-04 12:19:25,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25" (1/1) ... [2023-05-04 12:19:25,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25" (1/1) ... [2023-05-04 12:19:25,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25" (1/1) ... [2023-05-04 12:19:25,626 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25" (1/1) ... [2023-05-04 12:19:25,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25" (1/1) ... [2023-05-04 12:19:25,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 12:19:25,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 12:19:25,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 12:19:25,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 12:19:25,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25" (1/1) ... [2023-05-04 12:19:25,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:19:25,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:19:25,670 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) [2023-05-04 12:19:25,698 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 [2023-05-04 12:19:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 12:19:25,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 12:19:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 12:19:25,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 12:19:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 12:19:25,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 12:19:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 12:19:25,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 12:19:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 12:19:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 12:19:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 12:19:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 12:19:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 12:19:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 12:19:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 12:19:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 12:19:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 12:19:25,722 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 12:19:25,816 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 12:19:25,818 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 12:19:26,316 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 12:19:26,541 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 12:19:26,542 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2023-05-04 12:19:26,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:19:26 BoogieIcfgContainer [2023-05-04 12:19:26,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 12:19:26,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 12:19:26,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 12:19:26,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 12:19:26,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 12:19:25" (1/3) ... [2023-05-04 12:19:26,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2679a3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:19:26, skipping insertion in model container [2023-05-04 12:19:26,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:19:25" (2/3) ... [2023-05-04 12:19:26,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2679a3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:19:26, skipping insertion in model container [2023-05-04 12:19:26,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:19:26" (3/3) ... [2023-05-04 12:19:26,556 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-1.wvr.c [2023-05-04 12:19:26,563 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 12:19:26,569 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 12:19:26,569 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 12:19:26,569 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 12:19:26,664 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 12:19:26,717 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:19:26,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 12:19:26,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:19:26,720 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) [2023-05-04 12:19:26,729 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 [2023-05-04 12:19:26,753 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 12:19:26,770 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 12:19:26,777 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;@5a5e57e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:19:26,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 12:19:27,209 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 1 more)] === [2023-05-04 12:19:27,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:27,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1827515394, now seen corresponding path program 1 times [2023-05-04 12:19:27,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:27,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716226614] [2023-05-04 12:19:27,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:27,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-04 12:19:27,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:27,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716226614] [2023-05-04 12:19:27,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716226614] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:19:27,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:19:27,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 12:19:27,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643661121] [2023-05-04 12:19:27,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:19:27,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 12:19:27,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:27,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 12:19:27,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 12:19:27,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:27,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:27,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 97.5) internal successors, (195), 2 states have internal predecessors, (195), 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) [2023-05-04 12:19:27,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:27,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:27,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 12:19:27,708 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 1 more)] === [2023-05-04 12:19:27,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:27,710 INFO L85 PathProgramCache]: Analyzing trace with hash -809210013, now seen corresponding path program 1 times [2023-05-04 12:19:27,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:27,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036368475] [2023-05-04 12:19:27,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:27,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 12:19:28,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:28,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036368475] [2023-05-04 12:19:28,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036368475] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:19:28,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:19:28,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 12:19:28,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077267494] [2023-05-04 12:19:28,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:19:28,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 12:19:28,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:28,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 12:19:28,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 12:19:28,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:28,269 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:28,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 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) [2023-05-04 12:19:28,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:28,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:28,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:28,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:19:28,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 12:19:28,655 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 1 more)] === [2023-05-04 12:19:28,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:28,656 INFO L85 PathProgramCache]: Analyzing trace with hash -662175331, now seen corresponding path program 1 times [2023-05-04 12:19:28,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:28,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930500906] [2023-05-04 12:19:28,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:28,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:29,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:19:29,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:29,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930500906] [2023-05-04 12:19:29,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930500906] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:19:29,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:19:29,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 12:19:29,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452814660] [2023-05-04 12:19:29,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:19:29,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 12:19:29,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:29,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 12:19:29,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-04 12:19:29,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:29,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:29,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 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) [2023-05-04 12:19:29,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:29,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:19:29,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:29,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:29,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:29,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:29,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 12:19:29,330 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 1 more)] === [2023-05-04 12:19:29,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:29,330 INFO L85 PathProgramCache]: Analyzing trace with hash 2116391135, now seen corresponding path program 1 times [2023-05-04 12:19:29,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:29,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006451777] [2023-05-04 12:19:29,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:29,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 12:19:29,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:29,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006451777] [2023-05-04 12:19:29,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006451777] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:19:29,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:19:29,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 12:19:29,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690856001] [2023-05-04 12:19:29,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:19:29,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 12:19:29,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:29,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 12:19:29,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 12:19:29,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:29,653 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:29,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.666666666666664) internal successors, (208), 6 states have internal predecessors, (208), 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) [2023-05-04 12:19:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:29,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:29,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:29,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:29,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:29,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 12:19:29,940 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 1 more)] === [2023-05-04 12:19:29,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:29,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1519848299, now seen corresponding path program 1 times [2023-05-04 12:19:29,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:29,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064165678] [2023-05-04 12:19:29,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:29,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:30,261 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-04 12:19:30,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:30,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064165678] [2023-05-04 12:19:30,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064165678] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:19:30,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:19:30,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 12:19:30,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773943168] [2023-05-04 12:19:30,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:19:30,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 12:19:30,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:30,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 12:19:30,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 12:19:30,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:30,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:30,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.5) internal successors, (213), 6 states have internal predecessors, (213), 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) [2023-05-04 12:19:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:30,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:30,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:30,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:30,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:30,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:30,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:30,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 12:19:30,559 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 1 more)] === [2023-05-04 12:19:30,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:30,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1313997462, now seen corresponding path program 1 times [2023-05-04 12:19:30,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:30,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936389922] [2023-05-04 12:19:30,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:30,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 12:19:30,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:30,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936389922] [2023-05-04 12:19:30,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936389922] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:19:30,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906506520] [2023-05-04 12:19:30,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:30,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:19:30,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:19:30,972 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) [2023-05-04 12:19:30,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 12:19:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:31,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 12:19:31,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:19:31,400 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 12:19:31,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:19:31,689 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 12:19:31,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906506520] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:19:31,689 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:19:31,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-04 12:19:31,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788665179] [2023-05-04 12:19:31,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:19:31,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 12:19:31,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:31,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 12:19:31,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-04 12:19:31,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:31,691 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:31,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.0) internal successors, (285), 19 states have internal predecessors, (285), 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) [2023-05-04 12:19:31,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:31,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:31,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:31,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:31,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:31,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:32,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:32,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:32,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:32,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:32,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-04 12:19:32,636 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,SelfDestructingSolverStorable5 [2023-05-04 12:19:32,637 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 1 more)] === [2023-05-04 12:19:32,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:32,637 INFO L85 PathProgramCache]: Analyzing trace with hash 899572085, now seen corresponding path program 2 times [2023-05-04 12:19:32,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:32,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627152671] [2023-05-04 12:19:32,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:32,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-04 12:19:33,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:33,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627152671] [2023-05-04 12:19:33,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627152671] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:19:33,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594624920] [2023-05-04 12:19:33,058 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 12:19:33,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:19:33,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:19:33,059 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) [2023-05-04 12:19:33,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 12:19:33,242 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 12:19:33,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:19:33,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 12:19:33,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:19:33,558 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-04 12:19:33,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:19:33,925 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-04 12:19:33,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594624920] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:19:33,926 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:19:33,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2023-05-04 12:19:33,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956352899] [2023-05-04 12:19:33,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:19:33,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-04 12:19:33,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:33,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-04 12:19:33,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2023-05-04 12:19:33,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:33,928 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:33,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 18.59090909090909) internal successors, (409), 22 states have internal predecessors, (409), 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) [2023-05-04 12:19:33,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:33,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:33,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:33,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:33,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:33,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:33,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:35,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:35,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:19:35,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 12:19:35,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:19:35,663 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 1 more)] === [2023-05-04 12:19:35,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:35,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1369859780, now seen corresponding path program 1 times [2023-05-04 12:19:35,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:35,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998311232] [2023-05-04 12:19:35,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:35,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 12:19:36,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:36,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998311232] [2023-05-04 12:19:36,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998311232] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:19:36,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199063796] [2023-05-04 12:19:36,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:36,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:19:36,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:19:36,072 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) [2023-05-04 12:19:36,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 12:19:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:36,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 12:19:36,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:19:36,595 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 12:19:36,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:19:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 12:19:36,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199063796] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:19:36,925 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:19:36,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-05-04 12:19:36,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708981258] [2023-05-04 12:19:36,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:19:36,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-04 12:19:36,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:36,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-04 12:19:36,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-05-04 12:19:36,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:36,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:36,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.428571428571429) internal successors, (348), 28 states have internal predecessors, (348), 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) [2023-05-04 12:19:36,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:36,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:36,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:36,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:36,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:36,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:36,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:19:36,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:38,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:38,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:38,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:38,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:38,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:38,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:38,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:19:38,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:19:38,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 12:19:38,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:19:38,260 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 1 more)] === [2023-05-04 12:19:38,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:38,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1718490473, now seen corresponding path program 2 times [2023-05-04 12:19:38,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:38,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766611414] [2023-05-04 12:19:38,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:38,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 12:19:38,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:38,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766611414] [2023-05-04 12:19:38,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766611414] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:19:38,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035351510] [2023-05-04 12:19:38,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 12:19:38,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:19:38,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:19:38,729 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) [2023-05-04 12:19:38,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 12:19:38,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 12:19:38,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:19:38,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 12:19:38,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:19:39,275 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 12:19:39,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:19:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 12:19:39,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035351510] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:19:39,658 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:19:39,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-05-04 12:19:39,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544136792] [2023-05-04 12:19:39,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:19:39,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-04 12:19:39,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:39,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-04 12:19:39,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-05-04 12:19:39,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:39,662 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:39,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.428571428571429) internal successors, (348), 28 states have internal predecessors, (348), 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) [2023-05-04 12:19:39,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:39,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:39,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:39,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:39,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:39,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:39,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:19:39,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:19:39,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:40,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:19:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:19:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 12:19:40,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-04 12:19:41,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:19:41,181 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 1 more)] === [2023-05-04 12:19:41,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:41,181 INFO L85 PathProgramCache]: Analyzing trace with hash 821592179, now seen corresponding path program 3 times [2023-05-04 12:19:41,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:41,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158867252] [2023-05-04 12:19:41,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:41,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:41,568 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-04 12:19:41,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:41,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158867252] [2023-05-04 12:19:41,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158867252] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:19:41,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:19:41,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 12:19:41,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115403430] [2023-05-04 12:19:41,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:19:41,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 12:19:41,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:41,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 12:19:41,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 12:19:41,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:41,571 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:41,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2023-05-04 12:19:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:41,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:41,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:19:41,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:19:41,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 12:19:41,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:42,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:19:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:19:42,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 12:19:42,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:42,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-04 12:19:42,214 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 1 more)] === [2023-05-04 12:19:42,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:42,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1090219315, now seen corresponding path program 1 times [2023-05-04 12:19:42,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:42,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601783382] [2023-05-04 12:19:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:42,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-05-04 12:19:42,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:42,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601783382] [2023-05-04 12:19:42,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601783382] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:19:42,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:19:42,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 12:19:42,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166165169] [2023-05-04 12:19:42,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:19:42,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 12:19:42,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:42,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 12:19:42,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 12:19:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:42,441 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:42,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 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) [2023-05-04 12:19:42,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:42,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:19:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:19:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 12:19:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:43,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:43,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:43,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:43,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:43,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:43,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:43,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:19:43,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:19:43,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 12:19:43,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:43,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:43,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-05-04 12:19:43,037 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 1 more)] === [2023-05-04 12:19:43,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:43,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2081385869, now seen corresponding path program 3 times [2023-05-04 12:19:43,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:43,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819863989] [2023-05-04 12:19:43,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:43,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:43,293 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-05-04 12:19:43,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:43,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819863989] [2023-05-04 12:19:43,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819863989] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:19:43,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:19:43,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 12:19:43,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831402771] [2023-05-04 12:19:43,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:19:43,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 12:19:43,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:43,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 12:19:43,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 12:19:43,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:43,295 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:43,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 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) [2023-05-04 12:19:43,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:43,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:43,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:43,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:43,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:43,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:43,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:19:43,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:19:43,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 12:19:43,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:43,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:43,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:19:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:19:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 12:19:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:43,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:43,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:43,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-05-04 12:19:43,752 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 1 more)] === [2023-05-04 12:19:43,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:43,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1746447370, now seen corresponding path program 4 times [2023-05-04 12:19:43,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:43,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914998893] [2023-05-04 12:19:43,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:43,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:44,076 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-05-04 12:19:44,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:44,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914998893] [2023-05-04 12:19:44,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914998893] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:19:44,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:19:44,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 12:19:44,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742981244] [2023-05-04 12:19:44,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:19:44,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 12:19:44,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:44,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 12:19:44,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-04 12:19:44,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:44,080 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:44,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.25) internal successors, (221), 4 states have internal predecessors, (221), 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) [2023-05-04 12:19:44,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:44,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:44,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:44,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:44,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:44,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:44,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-04 12:19:44,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:19:44,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 12:19:44,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:44,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:44,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:44,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:45,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-04 12:19:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:19:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:19:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:19:45,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-05-04 12:19:45,452 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 1 more)] === [2023-05-04 12:19:45,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:45,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1755116205, now seen corresponding path program 1 times [2023-05-04 12:19:45,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:45,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488935187] [2023-05-04 12:19:45,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:45,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:45,841 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-05-04 12:19:45,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:19:45,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488935187] [2023-05-04 12:19:45,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488935187] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:19:45,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006311210] [2023-05-04 12:19:45,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:45,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:19:45,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:19:45,845 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) [2023-05-04 12:19:45,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 12:19:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:19:46,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 12:19:46,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:19:46,409 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-05-04 12:19:46,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:19:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-05-04 12:19:46,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006311210] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:19:46,827 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:19:46,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-05-04 12:19:46,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323863091] [2023-05-04 12:19:46,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:19:46,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-04 12:19:46,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:19:46,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-04 12:19:46,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-05-04 12:19:46,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:46,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:19:46,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 11.357142857142858) internal successors, (318), 28 states have internal predecessors, (318), 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) [2023-05-04 12:19:46,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:46,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:46,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:46,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:46,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:46,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:46,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-04 12:19:46,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:19:46,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:19:46,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:46,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:46,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:46,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:19:46,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:48,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:19:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:19:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:19:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:19:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-04 12:19:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:19:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:19:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:19:48,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:19:48,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:19:48,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 12:19:48,442 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 [2023-05-04 12:19:48,443 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 1 more)] === [2023-05-04 12:19:48,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:19:48,443 INFO L85 PathProgramCache]: Analyzing trace with hash 718329527, now seen corresponding path program 2 times [2023-05-04 12:19:48,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:19:48,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530226935] [2023-05-04 12:19:48,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:19:48,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:19:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:20:00,318 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:20:00,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:20:00,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530226935] [2023-05-04 12:20:00,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530226935] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:20:00,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283008553] [2023-05-04 12:20:00,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 12:20:00,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:20:00,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:20:00,321 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) [2023-05-04 12:20:00,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 12:20:00,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 12:20:00,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:20:00,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 126 conjunts are in the unsatisfiable core [2023-05-04 12:20:00,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:20:07,104 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:20:07,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:20:09,227 INFO L356 Elim1Store]: treesize reduction 48, result has 70.7 percent of original size [2023-05-04 12:20:09,228 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 127 [2023-05-04 12:20:09,341 INFO L356 Elim1Store]: treesize reduction 48, result has 71.4 percent of original size [2023-05-04 12:20:09,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 131 [2023-05-04 12:20:09,413 INFO L356 Elim1Store]: treesize reduction 99, result has 38.9 percent of original size [2023-05-04 12:20:09,413 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 68 treesize of output 81 [2023-05-04 12:20:09,518 INFO L356 Elim1Store]: treesize reduction 48, result has 71.4 percent of original size [2023-05-04 12:20:09,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 61 treesize of output 131 [2023-05-04 12:20:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:20:17,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283008553] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:20:17,012 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:20:17,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 51, 46] total 147 [2023-05-04 12:20:17,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962320395] [2023-05-04 12:20:17,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:20:17,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2023-05-04 12:20:17,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:20:17,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2023-05-04 12:20:17,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3189, Invalid=18273, Unknown=0, NotChecked=0, Total=21462 [2023-05-04 12:20:17,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:20:17,020 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:20:17,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 4.666666666666667) internal successors, (686), 147 states have internal predecessors, (686), 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) [2023-05-04 12:20:17,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:20:17,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:20:51,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:20:51,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:20:51,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:20:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:20:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:20:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:20:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-04 12:20:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:20:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:20:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:20:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:20:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:20:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:20:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:20:51,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-05-04 12:20:51,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 12:20:51,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:20:51,280 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 1 more)] === [2023-05-04 12:20:51,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:20:51,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1845911648, now seen corresponding path program 3 times [2023-05-04 12:20:51,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:20:51,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183791788] [2023-05-04 12:20:51,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:20:51,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:20:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:21:07,631 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:21:07,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:21:07,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183791788] [2023-05-04 12:21:07,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183791788] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:21:07,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429280218] [2023-05-04 12:21:07,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 12:21:07,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:21:07,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:21:07,633 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) [2023-05-04 12:21:07,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 12:21:07,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-04 12:21:07,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:21:07,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 82 conjunts are in the unsatisfiable core [2023-05-04 12:21:08,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:21:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-05-04 12:21:11,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:21:26,477 WARN L233 SmtUtils]: Spent 12.05s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:22:06,900 WARN L233 SmtUtils]: Spent 36.19s on a formula simplification. DAG size of input: 60 DAG size of output: 56 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:22:23,143 WARN L233 SmtUtils]: Spent 16.06s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:23:41,799 WARN L233 SmtUtils]: Spent 1.30m on a formula simplification. DAG size of input: 77 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:23:41,890 INFO L356 Elim1Store]: treesize reduction 48, result has 70.7 percent of original size [2023-05-04 12:23:41,890 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 127 [2023-05-04 12:23:41,976 INFO L356 Elim1Store]: treesize reduction 48, result has 71.4 percent of original size [2023-05-04 12:23:41,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 131 [2023-05-04 12:23:42,009 INFO L356 Elim1Store]: treesize reduction 161, result has 0.6 percent of original size [2023-05-04 12:23:42,010 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 61 treesize of output 1 [2023-05-04 12:23:42,045 INFO L356 Elim1Store]: treesize reduction 39, result has 60.2 percent of original size [2023-05-04 12:23:42,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 67 [2023-05-04 12:23:42,133 INFO L356 Elim1Store]: treesize reduction 48, result has 71.4 percent of original size [2023-05-04 12:23:42,133 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 61 treesize of output 131 [2023-05-04 12:23:46,183 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-05-04 12:23:46,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429280218] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:23:46,184 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:23:46,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 28, 23] total 104 [2023-05-04 12:23:46,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536213188] [2023-05-04 12:23:46,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:23:46,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2023-05-04 12:23:46,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:23:46,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2023-05-04 12:23:46,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1244, Invalid=9465, Unknown=3, NotChecked=0, Total=10712 [2023-05-04 12:23:46,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:23:46,189 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:23:46,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 6.163461538461538) internal successors, (641), 104 states have internal predecessors, (641), 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) [2023-05-04 12:23:46,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:23:46,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:23:46,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:23:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:23:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:23:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:23:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-04 12:23:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:23:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:23:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:23:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:23:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:23:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:23:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:23:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-05-04 12:23:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:25:51,051 WARN L233 SmtUtils]: Spent 1.44m on a formula simplification. DAG size of input: 72 DAG size of output: 67 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:26:07,225 WARN L233 SmtUtils]: Spent 16.08s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:26:25,392 WARN L233 SmtUtils]: Spent 16.07s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 12:26:25,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:26:25,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:25,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:25,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:25,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:25,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:26:25,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 12:26:25,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:26:25,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:26:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:26:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 12:26:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2023-05-04 12:26:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2023-05-04 12:26:25,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-04 12:26:25,757 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,SelfDestructingSolverStorable15 [2023-05-04 12:26:25,757 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 1 more)] === [2023-05-04 12:26:25,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:26:25,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2096830597, now seen corresponding path program 4 times [2023-05-04 12:26:25,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:26:25,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854503625] [2023-05-04 12:26:25,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:26:25,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:26:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:26:26,011 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-05-04 12:26:26,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:26:26,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854503625] [2023-05-04 12:26:26,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854503625] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:26:26,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759306668] [2023-05-04 12:26:26,012 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 12:26:26,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:26:26,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:26:26,014 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) [2023-05-04 12:26:26,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 12:26:26,323 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 12:26:26,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:26:26,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 12:26:26,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:26:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-05-04 12:26:26,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 12:26:26,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759306668] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:26:26,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 12:26:26,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2023-05-04 12:26:26,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295334709] [2023-05-04 12:26:26,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:26:26,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 12:26:26,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:26:26,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 12:26:26,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-05-04 12:26:26,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:26:26,499 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:26:26,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.25) internal successors, (221), 4 states have internal predecessors, (221), 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) [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2023-05-04 12:26:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:26:29,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:26:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:26:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 12:26:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:26:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:26:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:29,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:26:29,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 12:26:29,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2023-05-04 12:26:29,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2023-05-04 12:26:29,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:26:29,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 12:26:30,069 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,SelfDestructingSolverStorable16 [2023-05-04 12:26:30,069 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 1 more)] === [2023-05-04 12:26:30,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:26:30,070 INFO L85 PathProgramCache]: Analyzing trace with hash 480850951, now seen corresponding path program 5 times [2023-05-04 12:26:30,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:26:30,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028385486] [2023-05-04 12:26:30,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:26:30,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:26:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:26:30,352 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-05-04 12:26:30,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:26:30,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028385486] [2023-05-04 12:26:30,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028385486] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:26:30,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351632343] [2023-05-04 12:26:30,352 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 12:26:30,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:26:30,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:26:30,354 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) [2023-05-04 12:26:30,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 12:26:30,957 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-04 12:26:30,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:26:30,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 12:26:30,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:26:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-05-04 12:26:31,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:26:31,801 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-05-04 12:26:31,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351632343] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:26:31,801 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:26:31,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 11] total 19 [2023-05-04 12:26:31,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302202746] [2023-05-04 12:26:31,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:26:31,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 12:26:31,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:26:31,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 12:26:31,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2023-05-04 12:26:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:26:31,803 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:26:31,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 30.736842105263158) internal successors, (584), 19 states have internal predecessors, (584), 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) [2023-05-04 12:26:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:26:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:26:31,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-04 12:26:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:26:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:26:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:26:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-04 12:26:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2023-05-04 12:26:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2023-05-04 12:26:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:26:31,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:26:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:26:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:26:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 12:26:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:26:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:26:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:26:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 12:26:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2023-05-04 12:26:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2023-05-04 12:26:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:26:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:34,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-04 12:26:35,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-04 12:26:35,061 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 1 more)] === [2023-05-04 12:26:35,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:26:35,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1035158036, now seen corresponding path program 6 times [2023-05-04 12:26:35,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:26:35,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048943996] [2023-05-04 12:26:35,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:26:35,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:26:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:26:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 13 proven. 31 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-05-04 12:26:35,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:26:35,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048943996] [2023-05-04 12:26:35,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048943996] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:26:35,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264558622] [2023-05-04 12:26:35,702 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 12:26:35,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:26:35,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:26:35,703 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) [2023-05-04 12:26:35,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-04 12:26:36,069 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-04 12:26:36,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:26:36,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-04 12:26:36,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:26:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 20 proven. 24 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-05-04 12:26:36,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:26:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 9 proven. 35 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-05-04 12:26:36,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264558622] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:26:36,879 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:26:36,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2023-05-04 12:26:36,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893242202] [2023-05-04 12:26:36,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:26:36,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-04 12:26:36,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:26:36,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-04 12:26:36,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332 [2023-05-04 12:26:36,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:26:36,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:26:36,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 9.64864864864865) internal successors, (357), 37 states have internal predecessors, (357), 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) [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:36,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:26:47,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:26:47,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:47,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:47,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:47,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:26:47,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:26:47,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 12:26:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:26:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 12:26:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:26:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:26:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 12:26:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 266 states. [2023-05-04 12:26:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2023-05-04 12:26:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:26:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:26:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 12:26:47,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-04 12:26:47,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:26:47,592 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 1 more)] === [2023-05-04 12:26:47,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:26:47,592 INFO L85 PathProgramCache]: Analyzing trace with hash -481543536, now seen corresponding path program 7 times [2023-05-04 12:26:47,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:26:47,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149208805] [2023-05-04 12:26:47,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:26:47,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:26:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:27:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 1 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:27:13,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:27:13,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149208805] [2023-05-04 12:27:13,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149208805] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:27:13,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783932200] [2023-05-04 12:27:13,280 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 12:27:13,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:27:13,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:27:13,282 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) [2023-05-04 12:27:13,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-04 12:27:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:27:13,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 194 conjunts are in the unsatisfiable core [2023-05-04 12:27:13,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:27:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:27:31,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:28:59,739 WARN L233 SmtUtils]: Spent 1.34m on a formula simplification. DAG size of input: 2755 DAG size of output: 2562 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-04 12:28:59,746 INFO L356 Elim1Store]: treesize reduction 974, result has 93.1 percent of original size [2023-05-04 12:28:59,747 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 44 select indices, 44 select index equivalence classes, 0 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 946 case distinctions, treesize of input 891 treesize of output 13349 [2023-05-04 12:29:05,815 WARN L233 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 2598 DAG size of output: 2597 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-05-04 12:32:30,899 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 [2023-05-04 12:32:30,899 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 [2023-05-04 12:32:30,901 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 [2023-05-04 12:32:30,984 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 12:32:30,987 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 12:32:31,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-04 12:32:31,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:32:31,187 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 291 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 84ms.. [2023-05-04 12:32:31,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 12:32:31,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 12:32:31,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 12:32:31,193 INFO L444 BasicCegarLoop]: Path program histogram: [7, 4, 3, 1, 1, 1, 1, 1, 1] [2023-05-04 12:32:31,195 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 12:32:31,195 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 12:32:31,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 12:32:31 BasicIcfg [2023-05-04 12:32:31,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 12:32:31,198 INFO L158 Benchmark]: Toolchain (without parser) took 785938.17ms. Allocated memory was 185.6MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 152.6MB in the beginning and 591.4MB in the end (delta: -438.9MB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2023-05-04 12:32:31,198 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 12:32:31,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.55ms. Allocated memory was 185.6MB in the beginning and 256.9MB in the end (delta: 71.3MB). Free memory was 152.4MB in the beginning and 224.5MB in the end (delta: -72.2MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2023-05-04 12:32:31,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.68ms. Allocated memory is still 256.9MB. Free memory was 224.5MB in the beginning and 221.7MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-04 12:32:31,199 INFO L158 Benchmark]: Boogie Preprocessor took 56.20ms. Allocated memory is still 256.9MB. Free memory was 221.7MB in the beginning and 219.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 12:32:31,199 INFO L158 Benchmark]: RCFGBuilder took 912.16ms. Allocated memory is still 256.9MB. Free memory was 219.6MB in the beginning and 227.7MB in the end (delta: -8.1MB). Peak memory consumption was 56.9MB. Max. memory is 8.0GB. [2023-05-04 12:32:31,199 INFO L158 Benchmark]: TraceAbstraction took 784650.73ms. Allocated memory was 256.9MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 226.6MB in the beginning and 591.4MB in the end (delta: -364.8MB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2023-05-04 12:32:31,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 269.55ms. Allocated memory was 185.6MB in the beginning and 256.9MB in the end (delta: 71.3MB). Free memory was 152.4MB in the beginning and 224.5MB in the end (delta: -72.2MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.68ms. Allocated memory is still 256.9MB. Free memory was 224.5MB in the beginning and 221.7MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.20ms. Allocated memory is still 256.9MB. Free memory was 221.7MB in the beginning and 219.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 912.16ms. Allocated memory is still 256.9MB. Free memory was 219.6MB in the beginning and 227.7MB in the end (delta: -8.1MB). Peak memory consumption was 56.9MB. Max. memory is 8.0GB. * TraceAbstraction took 784650.73ms. Allocated memory was 256.9MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 226.6MB in the beginning and 591.4MB in the end (delta: -364.8MB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2575812, independent: 2088651, independent conditional: 2086243, independent unconditional: 2408, dependent: 487161, dependent conditional: 487123, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2092694, independent: 2088651, independent conditional: 2086243, independent unconditional: 2408, dependent: 4043, dependent conditional: 4005, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2092694, independent: 2088651, independent conditional: 2086243, independent unconditional: 2408, dependent: 4043, dependent conditional: 4005, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2171682, independent: 2088651, independent conditional: 13194, independent unconditional: 2075457, dependent: 83031, dependent conditional: 65794, dependent unconditional: 17237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2171682, independent: 2088651, independent conditional: 13194, independent unconditional: 2075457, dependent: 83031, dependent conditional: 31144, dependent unconditional: 51887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2171682, independent: 2088651, independent conditional: 13194, independent unconditional: 2075457, dependent: 83031, dependent conditional: 31144, dependent unconditional: 51887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2258, independent: 2114, independent conditional: 79, independent unconditional: 2035, dependent: 144, dependent conditional: 106, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2258, independent: 2020, independent conditional: 0, independent unconditional: 2020, dependent: 238, dependent conditional: 0, dependent unconditional: 238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 238, independent: 94, independent conditional: 79, independent unconditional: 15, dependent: 144, dependent conditional: 106, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 238, independent: 94, independent conditional: 79, independent unconditional: 15, dependent: 144, dependent conditional: 106, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1408, independent: 511, independent conditional: 329, independent unconditional: 182, dependent: 897, dependent conditional: 678, dependent unconditional: 219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2171682, independent: 2086537, independent conditional: 13115, independent unconditional: 2073422, dependent: 82887, dependent conditional: 31038, dependent unconditional: 51849, unknown: 2258, unknown conditional: 185, unknown unconditional: 2073] , Statistics on independence cache: Total cache size (in pairs): 2258, Positive cache size: 2114, Positive conditional cache size: 79, Positive unconditional cache size: 2035, Negative cache size: 144, Negative conditional cache size: 106, Negative unconditional cache size: 38, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34650, Maximal queried relation: 17, Independence queries for same thread: 483118 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 1579, Number of trivial persistent sets: 858, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2446, independent: 2408, independent conditional: 0, independent unconditional: 2408, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2575812, independent: 2088651, independent conditional: 2086243, independent unconditional: 2408, dependent: 487161, dependent conditional: 487123, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2092694, independent: 2088651, independent conditional: 2086243, independent unconditional: 2408, dependent: 4043, dependent conditional: 4005, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2092694, independent: 2088651, independent conditional: 2086243, independent unconditional: 2408, dependent: 4043, dependent conditional: 4005, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2171682, independent: 2088651, independent conditional: 13194, independent unconditional: 2075457, dependent: 83031, dependent conditional: 65794, dependent unconditional: 17237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2171682, independent: 2088651, independent conditional: 13194, independent unconditional: 2075457, dependent: 83031, dependent conditional: 31144, dependent unconditional: 51887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2171682, independent: 2088651, independent conditional: 13194, independent unconditional: 2075457, dependent: 83031, dependent conditional: 31144, dependent unconditional: 51887, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2258, independent: 2114, independent conditional: 79, independent unconditional: 2035, dependent: 144, dependent conditional: 106, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2258, independent: 2020, independent conditional: 0, independent unconditional: 2020, dependent: 238, dependent conditional: 0, dependent unconditional: 238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 238, independent: 94, independent conditional: 79, independent unconditional: 15, dependent: 144, dependent conditional: 106, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 238, independent: 94, independent conditional: 79, independent unconditional: 15, dependent: 144, dependent conditional: 106, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1408, independent: 511, independent conditional: 329, independent unconditional: 182, dependent: 897, dependent conditional: 678, dependent unconditional: 219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2171682, independent: 2086537, independent conditional: 13115, independent unconditional: 2073422, dependent: 82887, dependent conditional: 31038, dependent unconditional: 51849, unknown: 2258, unknown conditional: 185, unknown unconditional: 2073] , Statistics on independence cache: Total cache size (in pairs): 2258, Positive cache size: 2114, Positive conditional cache size: 79, Positive unconditional cache size: 2035, Negative cache size: 144, Negative conditional cache size: 106, Negative unconditional cache size: 38, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34650, Maximal queried relation: 17, Independence queries for same thread: 483118 - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 291 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 84ms.. - 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 291 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 84ms.. - TimeoutResultAtElement [Line: 141]: 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 291 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 84ms.. - TimeoutResultAtElement [Line: 140]: 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 291 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 84ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 265 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 784.5s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 221.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 757, 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, 3.0s SatisfiabilityAnalysisTime, 212.6s InterpolantComputationTime, 7148 NumberOfCodeBlocks, 7120 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 9403 ConstructedInterpolants, 45 QuantifiedInterpolants, 90111 SizeOfPredicates, 180 NumberOfNonLiveVariables, 6361 ConjunctsInSsa, 299 ConjunctsInUnsatCore, 38 InterpolantComputations, 10 PerfectInterpolantSequences, 1704/2299 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