/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-bad-commit-1.wvr-bad.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 12:16:21,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 12:16:21,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 12:16:21,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 12:16:21,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 12:16:21,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 12:16:21,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 12:16:21,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 12:16:21,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 12:16:21,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 12:16:21,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 12:16:21,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 12:16:21,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 12:16:21,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 12:16:21,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 12:16:21,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 12:16:21,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 12:16:21,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 12:16:21,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 12:16:21,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 12:16:21,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 12:16:21,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 12:16:21,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 12:16:21,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 12:16:21,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 12:16:21,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 12:16:21,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 12:16:21,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 12:16:21,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 12:16:21,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 12:16:21,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 12:16:21,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 12:16:21,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 12:16:21,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 12:16:21,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 12:16:21,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 12:16:21,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 12:16:21,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 12:16:21,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 12:16:21,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 12:16:21,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 12:16:21,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 12:16:21,495 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 12:16:21,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 12:16:21,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 12:16:21,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 12:16:21,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 12:16:21,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 12:16:21,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 12:16:21,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 12:16:21,497 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 12:16:21,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 12:16:21,497 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 12:16:21,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 12:16:21,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 12:16:21,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 12:16:21,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 12:16:21,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 12:16:21,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 12:16:21,498 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 12:16:21,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 12:16:21,498 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 12:16:21,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 12:16:21,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 12:16:21,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 12:16:21,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 12:16:21,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 12:16:21,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:16:21,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 12:16:21,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 12:16:21,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 12:16:21,500 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 12:16:21,500 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 12:16:21,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 12:16:21,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 12:16:21,500 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 12:16:21,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 12:16:21,500 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 12:16:21,500 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 12:16:21,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 12:16:21,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 12:16:21,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 12:16:21,729 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 12:16:21,736 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 12:16:21,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c [2023-05-04 12:16:21,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c11f1be8/0cdb3097c15e47258bb5da63738b7161/FLAG2c16e20f2 [2023-05-04 12:16:22,194 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 12:16:22,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-commit-1.wvr-bad.c [2023-05-04 12:16:22,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c11f1be8/0cdb3097c15e47258bb5da63738b7161/FLAG2c16e20f2 [2023-05-04 12:16:22,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c11f1be8/0cdb3097c15e47258bb5da63738b7161 [2023-05-04 12:16:22,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 12:16:22,592 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 12:16:22,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 12:16:22,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 12:16:22,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 12:16:22,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:16:22" (1/1) ... [2023-05-04 12:16:22,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a893172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22, skipping insertion in model container [2023-05-04 12:16:22,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:16:22" (1/1) ... [2023-05-04 12:16:22,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 12:16:22,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 12:16:22,853 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-bad-commit-1.wvr-bad.c[5161,5174] [2023-05-04 12:16:22,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:16:22,869 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 12:16:22,893 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-bad-commit-1.wvr-bad.c[5161,5174] [2023-05-04 12:16:22,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:16:22,908 INFO L208 MainTranslator]: Completed translation [2023-05-04 12:16:22,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22 WrapperNode [2023-05-04 12:16:22,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 12:16:22,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 12:16:22,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 12:16:22,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 12:16:22,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22" (1/1) ... [2023-05-04 12:16:22,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22" (1/1) ... [2023-05-04 12:16:22,962 INFO L138 Inliner]: procedures = 25, calls = 68, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 336 [2023-05-04 12:16:22,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 12:16:22,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 12:16:22,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 12:16:22,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 12:16:22,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22" (1/1) ... [2023-05-04 12:16:22,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22" (1/1) ... [2023-05-04 12:16:22,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22" (1/1) ... [2023-05-04 12:16:22,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22" (1/1) ... [2023-05-04 12:16:22,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22" (1/1) ... [2023-05-04 12:16:23,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22" (1/1) ... [2023-05-04 12:16:23,024 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22" (1/1) ... [2023-05-04 12:16:23,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22" (1/1) ... [2023-05-04 12:16:23,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 12:16:23,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 12:16:23,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 12:16:23,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 12:16:23,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22" (1/1) ... [2023-05-04 12:16:23,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:16:23,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:16:23,066 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 12:16:23,088 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 12:16:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 12:16:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 12:16:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 12:16:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 12:16:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 12:16:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 12:16:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 12:16:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 12:16:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 12:16:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 12:16:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 12:16:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 12:16:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 12:16:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 12:16:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 12:16:23,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 12:16:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 12:16:23,120 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 12:16:23,211 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 12:16:23,212 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 12:16:23,701 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 12:16:23,858 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 12:16:23,859 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2023-05-04 12:16:23,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:16:23 BoogieIcfgContainer [2023-05-04 12:16:23,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 12:16:23,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 12:16:23,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 12:16:23,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 12:16:23,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 12:16:22" (1/3) ... [2023-05-04 12:16:23,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e66538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:16:23, skipping insertion in model container [2023-05-04 12:16:23,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:16:22" (2/3) ... [2023-05-04 12:16:23,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e66538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:16:23, skipping insertion in model container [2023-05-04 12:16:23,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:16:23" (3/3) ... [2023-05-04 12:16:23,875 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-1.wvr-bad.c [2023-05-04 12:16:23,882 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 12:16:23,892 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 12:16:23,892 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 12:16:23,892 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 12:16:23,977 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 12:16:24,028 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:16:24,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 12:16:24,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:16:24,031 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 12:16:24,033 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 12:16:24,058 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 12:16:24,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 12:16:24,078 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;@52ab63eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:16:24,079 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 12:16:24,370 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 12:16:24,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:24,377 INFO L85 PathProgramCache]: Analyzing trace with hash 337272677, now seen corresponding path program 1 times [2023-05-04 12:16:24,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:24,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962653273] [2023-05-04 12:16:24,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:24,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:24,775 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 12:16:24,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:24,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962653273] [2023-05-04 12:16:24,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962653273] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:24,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:24,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 12:16:24,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366751989] [2023-05-04 12:16:24,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:24,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 12:16:24,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:24,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 12:16:24,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 12:16:24,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:24,809 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:24,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 99.0) internal successors, (198), 2 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 12:16:24,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:24,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:24,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 12:16:24,869 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 12:16:24,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:24,870 INFO L85 PathProgramCache]: Analyzing trace with hash 720216222, now seen corresponding path program 1 times [2023-05-04 12:16:24,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:24,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467314501] [2023-05-04 12:16:24,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:24,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-04 12:16:25,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:25,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467314501] [2023-05-04 12:16:25,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467314501] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:25,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:25,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 12:16:25,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500704607] [2023-05-04 12:16:25,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:25,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 12:16:25,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:25,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 12:16:25,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 12:16:25,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:25,183 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:25,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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 12:16:25,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:25,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:25,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 12:16:25,278 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 12:16:25,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:25,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1708924767, now seen corresponding path program 1 times [2023-05-04 12:16:25,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:25,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99480828] [2023-05-04 12:16:25,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:25,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-04 12:16:25,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:25,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99480828] [2023-05-04 12:16:25,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99480828] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:25,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:25,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 12:16:25,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860479255] [2023-05-04 12:16:25,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:25,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 12:16:25,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:25,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 12:16:25,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 12:16:25,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:25,434 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:25,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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 12:16:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:25,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:25,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:25,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 12:16:25,511 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 12:16:25,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:25,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1279920097, now seen corresponding path program 1 times [2023-05-04 12:16:25,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:25,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897245489] [2023-05-04 12:16:25,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:25,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 12:16:25,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:25,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897245489] [2023-05-04 12:16:25,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897245489] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:25,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:25,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 12:16:25,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054591930] [2023-05-04 12:16:25,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:25,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 12:16:25,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:25,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 12:16:25,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 12:16:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:25,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:25,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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 12:16:25,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:25,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:25,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:25,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:25,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:25,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:25,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:25,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:25,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 12:16:25,687 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 12:16:25,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:25,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1110782268, now seen corresponding path program 1 times [2023-05-04 12:16:25,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:25,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736676355] [2023-05-04 12:16:25,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:25,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-04 12:16:26,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:26,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736676355] [2023-05-04 12:16:26,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736676355] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:26,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:26,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 12:16:26,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261695750] [2023-05-04 12:16:26,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:26,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 12:16:26,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:26,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 12:16:26,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 12:16:26,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:26,052 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:26,052 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 12:16:26,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:26,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:26,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:26,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:26,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:26,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:26,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 12:16:26,181 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 12:16:26,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:26,181 INFO L85 PathProgramCache]: Analyzing trace with hash 151196646, now seen corresponding path program 1 times [2023-05-04 12:16:26,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:26,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537747980] [2023-05-04 12:16:26,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:26,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:26,463 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-04 12:16:26,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:26,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537747980] [2023-05-04 12:16:26,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537747980] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:26,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:26,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 12:16:26,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173672656] [2023-05-04 12:16:26,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:26,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 12:16:26,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:26,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 12:16:26,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 12:16:26,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:26,496 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:26,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 6 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 12:16:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:26,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:26,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:26,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:26,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:26,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:26,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:26,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-04 12:16:26,603 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 12:16:26,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:26,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1089642451, now seen corresponding path program 1 times [2023-05-04 12:16:26,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:26,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647771831] [2023-05-04 12:16:26,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:26,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 12:16:27,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:27,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647771831] [2023-05-04 12:16:27,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647771831] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:16:27,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689012594] [2023-05-04 12:16:27,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:27,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:16:27,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:16:27,062 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 12:16:27,064 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 12:16:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:27,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 12:16:27,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:16:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 12:16:27,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:16:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 12:16:28,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689012594] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:16:28,002 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:16:28,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-04 12:16:28,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703092030] [2023-05-04 12:16:28,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:16:28,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 12:16:28,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:28,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 12:16:28,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-04 12:16:28,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:28,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:28,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 16.894736842105264) internal successors, (321), 19 states have internal predecessors, (321), 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 12:16:28,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:28,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:28,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:28,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:28,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:28,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:28,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:28,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:28,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 12:16:28,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-05-04 12:16:28,529 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 12:16:28,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:28,530 INFO L85 PathProgramCache]: Analyzing trace with hash 2096578374, now seen corresponding path program 2 times [2023-05-04 12:16:28,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:28,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217009542] [2023-05-04 12:16:28,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:28,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-05-04 12:16:28,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:28,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217009542] [2023-05-04 12:16:28,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217009542] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:28,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:28,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 12:16:28,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251421854] [2023-05-04 12:16:28,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:28,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 12:16:28,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:28,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 12:16:28,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 12:16:28,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:28,915 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:28,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 12:16:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 12:16:29,003 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 12:16:29,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:29,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1453072910, now seen corresponding path program 1 times [2023-05-04 12:16:29,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:29,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001803543] [2023-05-04 12:16:29,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:29,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:29,089 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-04 12:16:29,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:29,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001803543] [2023-05-04 12:16:29,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001803543] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:29,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:29,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 12:16:29,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788377037] [2023-05-04 12:16:29,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:29,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 12:16:29,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:29,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 12:16:29,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 12:16:29,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:29,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 12:16:29,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:29,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:29,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:29,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:29,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:29,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:29,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-04 12:16:29,156 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 12:16:29,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:29,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1877022001, now seen corresponding path program 1 times [2023-05-04 12:16:29,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:29,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921707058] [2023-05-04 12:16:29,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:29,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-04 12:16:29,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:29,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921707058] [2023-05-04 12:16:29,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921707058] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:29,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:29,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 12:16:29,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231268748] [2023-05-04 12:16:29,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:29,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 12:16:29,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:29,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 12:16:29,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 12:16:29,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,384 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:29,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.5) internal successors, (225), 6 states have internal predecessors, (225), 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 12:16:29,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:29,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:29,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:29,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:29,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:29,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:29,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:29,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-04 12:16:29,486 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 12:16:29,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:29,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1058616550, now seen corresponding path program 1 times [2023-05-04 12:16:29,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:29,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196963524] [2023-05-04 12:16:29,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:29,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:29,790 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-04 12:16:29,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:29,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196963524] [2023-05-04 12:16:29,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196963524] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:29,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:29,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 12:16:29,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811151852] [2023-05-04 12:16:29,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:29,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 12:16:29,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:29,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 12:16:29,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-04 12:16:29,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,792 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:29,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 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 12:16:29,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:29,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:29,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:29,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:29,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:29,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:29,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-05-04 12:16:29,883 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 12:16:29,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:29,883 INFO L85 PathProgramCache]: Analyzing trace with hash 975023627, now seen corresponding path program 2 times [2023-05-04 12:16:29,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:29,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736091360] [2023-05-04 12:16:29,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:29,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 37 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-04 12:16:30,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:30,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736091360] [2023-05-04 12:16:30,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736091360] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:16:30,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593960486] [2023-05-04 12:16:30,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 12:16:30,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:16:30,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:16:30,225 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 12:16:30,247 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 12:16:30,403 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 12:16:30,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:16:30,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 12:16:30,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:16:30,674 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 12:16:30,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:16:31,304 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-04 12:16:31,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593960486] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:16:31,305 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:16:31,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6] total 10 [2023-05-04 12:16:31,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109749166] [2023-05-04 12:16:31,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:16:31,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-04 12:16:31,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:31,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-04 12:16:31,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2023-05-04 12:16:31,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:31,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:31,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 44.3) internal successors, (443), 10 states have internal predecessors, (443), 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 12:16:31,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:31,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:31,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:31,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:31,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:31,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:31,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:31,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:31,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:31,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:31,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:31,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:31,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:16:31,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-04 12:16:31,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:16:31,613 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 12:16:31,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:31,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1879444139, now seen corresponding path program 1 times [2023-05-04 12:16:31,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:31,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995083238] [2023-05-04 12:16:31,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:31,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:34,281 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 12:16:34,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:34,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995083238] [2023-05-04 12:16:34,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995083238] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:16:34,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353619175] [2023-05-04 12:16:34,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:34,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:16:34,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:16:34,283 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 12:16:34,307 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 12:16:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:34,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-04 12:16:34,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:16:34,682 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-04 12:16:34,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:16:34,778 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-04 12:16:34,778 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-05-04 12:16:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-05-04 12:16:34,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353619175] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:16:34,932 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:16:34,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 8, 7] total 25 [2023-05-04 12:16:34,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927456635] [2023-05-04 12:16:34,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:16:34,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-05-04 12:16:34,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:34,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-05-04 12:16:34,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=537, Unknown=0, NotChecked=0, Total=600 [2023-05-04 12:16:34,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:34,936 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:34,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.96) internal successors, (349), 25 states have internal predecessors, (349), 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 12:16:34,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:34,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:34,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:34,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:34,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:34,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:34,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:34,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:34,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:34,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:34,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:34,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:16:34,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:36,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:36,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:36,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:16:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:36,574 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 12:16:36,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:16:36,765 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 12:16:36,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:36,766 INFO L85 PathProgramCache]: Analyzing trace with hash 585322381, now seen corresponding path program 1 times [2023-05-04 12:16:36,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:36,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155509771] [2023-05-04 12:16:36,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:36,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:36,904 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-05-04 12:16:36,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:36,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155509771] [2023-05-04 12:16:36,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155509771] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:36,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:36,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 12:16:36,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666509087] [2023-05-04 12:16:36,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:36,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 12:16:36,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:36,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 12:16:36,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 12:16:36,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:36,908 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:36,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 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 12:16:36,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:36,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:36,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:36,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:36,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:36,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:36,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:16:36,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:36,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:36,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:16:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:36,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-05-04 12:16:36,982 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 12:16:36,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:36,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1896140910, now seen corresponding path program 1 times [2023-05-04 12:16:36,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:36,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514936329] [2023-05-04 12:16:36,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:36,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 12:16:37,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:37,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514936329] [2023-05-04 12:16:37,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514936329] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:16:37,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108704572] [2023-05-04 12:16:37,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:37,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:16:37,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:16:37,358 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 12:16:37,380 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 12:16:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:37,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 12:16:37,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:16:37,849 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 12:16:37,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:16:38,181 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 12:16:38,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108704572] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:16:38,182 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:16:38,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-04 12:16:38,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828811065] [2023-05-04 12:16:38,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:16:38,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 12:16:38,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:38,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 12:16:38,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-04 12:16:38,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:38,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:38,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 16.68421052631579) internal successors, (317), 19 states have internal predecessors, (317), 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 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:38,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:38,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:16:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:38,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 12:16:38,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-04 12:16:38,709 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 12:16:38,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:38,710 INFO L85 PathProgramCache]: Analyzing trace with hash 2060524903, now seen corresponding path program 2 times [2023-05-04 12:16:38,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:38,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238464247] [2023-05-04 12:16:38,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:38,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 12:16:40,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:40,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238464247] [2023-05-04 12:16:40,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238464247] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:16:40,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571713020] [2023-05-04 12:16:40,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 12:16:40,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:16:40,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:16:40,873 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 12:16:40,898 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 12:16:41,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 12:16:41,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:16:41,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 33 conjunts are in the unsatisfiable core [2023-05-04 12:16:41,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:16:42,144 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 12:16:42,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2023-05-04 12:16:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 12:16:42,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:16:42,317 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-04 12:16:42,317 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-05-04 12:16:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-04 12:16:44,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571713020] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:16:44,534 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:16:44,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 17] total 48 [2023-05-04 12:16:44,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936134652] [2023-05-04 12:16:44,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:16:44,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-04 12:16:44,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:44,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-04 12:16:44,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=1992, Unknown=0, NotChecked=0, Total=2256 [2023-05-04 12:16:44,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:44,537 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:44,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 13.770833333333334) internal successors, (661), 48 states have internal predecessors, (661), 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 12:16:44,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:44,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:46,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:16:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:16:46,323 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 12:16:46,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-05-04 12:16:46,502 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 12:16:46,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:46,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1772083712, now seen corresponding path program 1 times [2023-05-04 12:16:46,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:46,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078126227] [2023-05-04 12:16:46,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:46,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-05-04 12:16:46,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:46,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078126227] [2023-05-04 12:16:46,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078126227] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:46,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:46,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 12:16:46,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871317578] [2023-05-04 12:16:46,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:46,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 12:16:46,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:46,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 12:16:46,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 12:16:46,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:46,604 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:46,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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 12:16:46,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:46,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:46,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:46,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:46,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:46,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:46,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:16:46,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:46,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:46,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:46,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:16:46,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:46,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:46,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:16:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:16:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-05-04 12:16:46,649 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 12:16:46,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:46,649 INFO L85 PathProgramCache]: Analyzing trace with hash -268753385, now seen corresponding path program 3 times [2023-05-04 12:16:46,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:46,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310726081] [2023-05-04 12:16:46,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:46,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-05-04 12:16:46,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:46,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310726081] [2023-05-04 12:16:46,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310726081] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:46,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:46,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 12:16:46,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682355883] [2023-05-04 12:16:46,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:46,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 12:16:46,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:46,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 12:16:46,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-04 12:16:46,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:46,895 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:46,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 4 states have internal predecessors, (238), 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 12:16:46,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-04 12:16:46,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:46,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:47,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:47,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:47,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:47,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:47,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:47,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:47,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:47,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:47,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:47,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:47,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:16:47,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:47,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-05-04 12:16:47,382 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 12:16:47,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:47,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1653911998, now seen corresponding path program 1 times [2023-05-04 12:16:47,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:47,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209701793] [2023-05-04 12:16:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:47,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:47,503 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-05-04 12:16:47,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:47,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209701793] [2023-05-04 12:16:47,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209701793] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:47,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:47,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 12:16:47,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222707556] [2023-05-04 12:16:47,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:47,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 12:16:47,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:47,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 12:16:47,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 12:16:47,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:47,507 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:47,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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 12:16:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:47,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:47,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:47,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:47,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:47,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:16:47,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:47,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:47,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:47,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:16:47,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-05-04 12:16:47,866 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 12:16:47,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:47,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1367898460, now seen corresponding path program 1 times [2023-05-04 12:16:47,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:47,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879603610] [2023-05-04 12:16:47,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:47,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-05-04 12:16:47,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:47,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879603610] [2023-05-04 12:16:47,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879603610] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:47,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:47,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 12:16:47,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754667293] [2023-05-04 12:16:47,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:47,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 12:16:47,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:47,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 12:16:47,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 12:16:47,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:47,943 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:47,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 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 12:16:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:47,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:16:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:47,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:48,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:16:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-05-04 12:16:48,071 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 12:16:48,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:48,072 INFO L85 PathProgramCache]: Analyzing trace with hash 223818640, now seen corresponding path program 1 times [2023-05-04 12:16:48,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:48,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134196848] [2023-05-04 12:16:48,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:48,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-05-04 12:16:48,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:48,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134196848] [2023-05-04 12:16:48,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134196848] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:48,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:16:48,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 12:16:48,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804232643] [2023-05-04 12:16:48,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:48,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 12:16:48,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:48,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 12:16:48,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-04 12:16:48,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:48,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:48,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.75) internal successors, (239), 4 states have internal predecessors, (239), 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 12:16:48,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:48,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:48,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:48,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:48,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:48,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:48,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:48,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:48,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:48,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:48,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:16:48,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:48,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:48,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:48,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:48,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:48,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:16:48,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:48,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:48,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:48,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-05-04 12:16:48,539 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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 12:16:48,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:48,540 INFO L85 PathProgramCache]: Analyzing trace with hash 721312446, now seen corresponding path program 1 times [2023-05-04 12:16:48,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:48,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776004130] [2023-05-04 12:16:48,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:48,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:48,912 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-04 12:16:48,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:48,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776004130] [2023-05-04 12:16:48,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776004130] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:16:48,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795876884] [2023-05-04 12:16:48,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:48,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:16:48,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:16:48,914 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 12:16:48,934 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 12:16:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:49,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-04 12:16:49,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:16:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-04 12:16:49,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:16:49,586 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-04 12:16:49,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795876884] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:16:49,586 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:16:49,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-04 12:16:49,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370662709] [2023-05-04 12:16:49,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:16:49,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 12:16:49,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:49,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 12:16:49,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-05-04 12:16:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:49,588 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:49,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.578947368421053) internal successors, (277), 19 states have internal predecessors, (277), 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 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:49,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:49,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:16:49,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:49,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:49,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:49,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:16:49,968 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 12:16:50,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:16:50,165 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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 12:16:50,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:50,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1810410314, now seen corresponding path program 2 times [2023-05-04 12:16:50,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:50,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470793010] [2023-05-04 12:16:50,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:50,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-05-04 12:16:51,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:51,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470793010] [2023-05-04 12:16:51,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470793010] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:16:51,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042168404] [2023-05-04 12:16:51,783 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 12:16:51,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:16:51,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:16:51,785 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 12:16:51,808 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 12:16:52,001 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 12:16:52,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:16:52,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 35 conjunts are in the unsatisfiable core [2023-05-04 12:16:52,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:16:53,035 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 12:16:53,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2023-05-04 12:16:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-04 12:16:53,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:16:53,194 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-04 12:16:53,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-05-04 12:16:54,925 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-04 12:16:54,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042168404] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:16:54,925 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:16:54,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 14] total 40 [2023-05-04 12:16:54,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120701404] [2023-05-04 12:16:54,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:16:54,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-04 12:16:54,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:54,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-04 12:16:54,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=1283, Unknown=0, NotChecked=0, Total=1560 [2023-05-04 12:16:54,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:54,928 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:54,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 13.6) internal successors, (544), 40 states have internal predecessors, (544), 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 12:16:54,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:54,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:54,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:54,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:54,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:16:54,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:56,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:56,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:56,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:16:56,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 12:16:56,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 12:16:56,449 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,SelfDestructingSolverStorable22 [2023-05-04 12:16:56,449 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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 12:16:56,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:56,450 INFO L85 PathProgramCache]: Analyzing trace with hash 158911105, now seen corresponding path program 3 times [2023-05-04 12:16:56,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:56,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343472855] [2023-05-04 12:16:56,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:56,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-05-04 12:16:56,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:56,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343472855] [2023-05-04 12:16:56,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343472855] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:16:56,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500508029] [2023-05-04 12:16:56,786 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 12:16:56,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:16:56,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:16:56,789 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 12:16:56,812 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 12:16:56,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-04 12:16:56,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:16:56,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 12:16:56,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:16:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-05-04 12:16:57,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 12:16:57,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500508029] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:16:57,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 12:16:57,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2023-05-04 12:16:57,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099737570] [2023-05-04 12:16:57,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:16:57,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 12:16:57,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:16:57,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 12:16:57,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-05-04 12:16:57,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:57,195 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:16:57,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 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 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:57,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:57,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:16:57,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:57,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:57,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:16:57,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 12:16:57,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:16:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:16:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 12:16:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:16:57,409 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 12:16:57,601 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,SelfDestructingSolverStorable23 [2023-05-04 12:16:57,601 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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 12:16:57,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:16:57,601 INFO L85 PathProgramCache]: Analyzing trace with hash 625083560, now seen corresponding path program 4 times [2023-05-04 12:16:57,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:16:57,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394256397] [2023-05-04 12:16:57,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:16:57,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:16:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:16:59,771 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 7 proven. 94 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-05-04 12:16:59,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:16:59,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394256397] [2023-05-04 12:16:59,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394256397] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:16:59,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683012362] [2023-05-04 12:16:59,771 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 12:16:59,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:16:59,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:16:59,772 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 12:16:59,773 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 12:17:00,108 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 12:17:00,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:17:00,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-04 12:17:00,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:17:01,607 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 12:17:01,607 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2023-05-04 12:17:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 14 proven. 87 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-05-04 12:17:01,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:17:01,748 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-04 12:17:01,749 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-05-04 12:17:03,226 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 14 proven. 87 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-05-04 12:17:03,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683012362] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:17:03,226 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:17:03,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 21, 21] total 58 [2023-05-04 12:17:03,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312264003] [2023-05-04 12:17:03,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:17:03,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-05-04 12:17:03,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:17:03,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-05-04 12:17:03,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=2801, Unknown=0, NotChecked=0, Total=3306 [2023-05-04 12:17:03,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:17:03,234 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:17:03,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 12.293103448275861) internal successors, (713), 58 states have internal predecessors, (713), 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 12:17:03,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:17:03,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:03,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:03,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:03,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:17:03,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:17:03,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:17:03,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:03,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:17:05,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:17:05,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:05,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:17:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:17:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 12:17:05,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:05,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 12:17:05,403 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 12:17:05,601 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,SelfDestructingSolverStorable24 [2023-05-04 12:17:05,601 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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 12:17:05,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:17:05,601 INFO L85 PathProgramCache]: Analyzing trace with hash 189779716, now seen corresponding path program 5 times [2023-05-04 12:17:05,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:17:05,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057819833] [2023-05-04 12:17:05,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:17:05,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:17:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:17:07,600 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 3 proven. 132 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-05-04 12:17:07,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:17:07,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057819833] [2023-05-04 12:17:07,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057819833] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:17:07,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692126684] [2023-05-04 12:17:07,601 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 12:17:07,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:17:07,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:17:07,602 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 12:17:07,603 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 12:17:08,340 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-04 12:17:08,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:17:08,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 12:17:08,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:17:08,793 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 12:17:08,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2023-05-04 12:17:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 95 proven. 13 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-04 12:17:08,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:17:08,920 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-04 12:17:08,920 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-05-04 12:17:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 95 proven. 13 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-04 12:17:09,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692126684] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:17:09,442 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:17:09,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 9, 9] total 34 [2023-05-04 12:17:09,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619666982] [2023-05-04 12:17:09,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:17:09,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-04 12:17:09,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:17:09,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-04 12:17:09,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=959, Unknown=0, NotChecked=0, Total=1122 [2023-05-04 12:17:09,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:17:09,443 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:17:09,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 18.705882352941178) internal successors, (636), 34 states have internal predecessors, (636), 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 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:09,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 12:17:09,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:17:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:17:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:17:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:17:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:17:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:17:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:17:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:17:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:17:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:17:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:17:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:17:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 12:17:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 12:17:10,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-04 12:17:10,906 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 12:17:11,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-05-04 12:17:11,097 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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 12:17:11,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:17:11,097 INFO L85 PathProgramCache]: Analyzing trace with hash -115400494, now seen corresponding path program 6 times [2023-05-04 12:17:11,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:17:11,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9093720] [2023-05-04 12:17:11,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:17:11,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:17:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:17:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 3 proven. 121 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-04 12:17:13,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:17:13,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9093720] [2023-05-04 12:17:13,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9093720] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 12:17:13,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859299157] [2023-05-04 12:17:13,907 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 12:17:13,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 12:17:13,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:17:13,909 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 12:17:13,909 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 12:17:14,093 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-05-04 12:17:14,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 12:17:14,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-04 12:17:14,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 12:17:14,364 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-05-04 12:17:14,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 12:17:14,417 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-04 12:17:14,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-05-04 12:17:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-05-04 12:17:14,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859299157] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 12:17:14,579 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 12:17:14,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 8, 8] total 36 [2023-05-04 12:17:14,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990982290] [2023-05-04 12:17:14,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 12:17:14,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-05-04 12:17:14,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:17:14,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-05-04 12:17:14,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1154, Unknown=0, NotChecked=0, Total=1260 [2023-05-04 12:17:14,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:17:14,581 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:17:14,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 11.86111111111111) internal successors, (427), 36 states have internal predecessors, (427), 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 12:17:14,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:17:14,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:14,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:14,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:14,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:17:14,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:17:14,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-04 12:17:14,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:18:11,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-04 12:18:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:18:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:18:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:18:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 12:18:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:18:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-04 12:18:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-04 12:18:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 12:18:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-04 12:18:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-04 12:18:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2023-05-04 12:18:11,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 12:18:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 12:18:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 12:18:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 12:18:11,121 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 12:18:11,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-05-04 12:18:11,325 INFO L444 BasicCegarLoop]: Path program histogram: [6, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-05-04 12:18:11,327 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 12:18:11,327 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 12:18:11,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 12:18:11 BasicIcfg [2023-05-04 12:18:11,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 12:18:11,329 INFO L158 Benchmark]: Toolchain (without parser) took 108737.48ms. Allocated memory was 182.5MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 153.5MB in the beginning and 6.8GB in the end (delta: -6.7GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-05-04 12:18:11,329 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 182.5MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 12:18:11,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.15ms. Allocated memory was 182.5MB in the beginning and 259.0MB in the end (delta: 76.5MB). Free memory was 153.3MB in the beginning and 225.6MB in the end (delta: -72.3MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. [2023-05-04 12:18:11,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.82ms. Allocated memory is still 259.0MB. Free memory was 225.6MB in the beginning and 222.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-04 12:18:11,330 INFO L158 Benchmark]: Boogie Preprocessor took 65.85ms. Allocated memory is still 259.0MB. Free memory was 222.9MB in the beginning and 220.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 12:18:11,330 INFO L158 Benchmark]: RCFGBuilder took 830.96ms. Allocated memory is still 259.0MB. Free memory was 220.3MB in the beginning and 171.6MB in the end (delta: 48.8MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. [2023-05-04 12:18:11,330 INFO L158 Benchmark]: TraceAbstraction took 107465.28ms. Allocated memory was 259.0MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 170.5MB in the beginning and 6.8GB in the end (delta: -6.7GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-05-04 12:18:11,331 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 182.5MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 317.15ms. Allocated memory was 182.5MB in the beginning and 259.0MB in the end (delta: 76.5MB). Free memory was 153.3MB in the beginning and 225.6MB in the end (delta: -72.3MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.82ms. Allocated memory is still 259.0MB. Free memory was 225.6MB in the beginning and 222.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.85ms. Allocated memory is still 259.0MB. Free memory was 222.9MB in the beginning and 220.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 830.96ms. Allocated memory is still 259.0MB. Free memory was 220.3MB in the beginning and 171.6MB in the end (delta: 48.8MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. * TraceAbstraction took 107465.28ms. Allocated memory was 259.0MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 170.5MB in the beginning and 6.8GB in the end (delta: -6.7GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3418149, independent: 2739685, independent conditional: 2734735, independent unconditional: 4950, dependent: 678464, dependent conditional: 678420, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2743413, independent: 2739685, independent conditional: 2734735, independent unconditional: 4950, dependent: 3728, dependent conditional: 3684, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2743413, independent: 2739685, independent conditional: 2734735, independent unconditional: 4950, dependent: 3728, dependent conditional: 3684, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2845844, independent: 2739685, independent conditional: 21580, independent unconditional: 2718105, dependent: 106159, dependent conditional: 80851, dependent unconditional: 25308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2845844, independent: 2739685, independent conditional: 21580, independent unconditional: 2718105, dependent: 106159, dependent conditional: 21980, dependent unconditional: 84179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2845844, independent: 2739685, independent conditional: 21580, independent unconditional: 2718105, dependent: 106159, dependent conditional: 21980, dependent unconditional: 84179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3741, independent: 3603, independent conditional: 113, independent unconditional: 3490, dependent: 138, dependent conditional: 94, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3741, independent: 3485, independent conditional: 0, independent unconditional: 3485, dependent: 256, dependent conditional: 0, dependent unconditional: 256, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 256, independent: 118, independent conditional: 113, independent unconditional: 5, dependent: 138, dependent conditional: 94, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 256, independent: 118, independent conditional: 113, independent unconditional: 5, dependent: 138, dependent conditional: 94, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 899, independent: 389, independent conditional: 367, independent unconditional: 22, dependent: 510, dependent conditional: 311, dependent unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2845844, independent: 2736082, independent conditional: 21467, independent unconditional: 2714615, dependent: 106021, dependent conditional: 21886, dependent unconditional: 84135, unknown: 3741, unknown conditional: 207, unknown unconditional: 3534] , Statistics on independence cache: Total cache size (in pairs): 3741, Positive cache size: 3603, Positive conditional cache size: 113, Positive unconditional cache size: 3490, Negative cache size: 138, Negative conditional cache size: 94, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 58871, Maximal queried relation: 20, Independence queries for same thread: 674736 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 7784, Number of trivial persistent sets: 4658, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4994, independent: 4950, independent conditional: 0, independent unconditional: 4950, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3418149, independent: 2739685, independent conditional: 2734735, independent unconditional: 4950, dependent: 678464, dependent conditional: 678420, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2743413, independent: 2739685, independent conditional: 2734735, independent unconditional: 4950, dependent: 3728, dependent conditional: 3684, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2743413, independent: 2739685, independent conditional: 2734735, independent unconditional: 4950, dependent: 3728, dependent conditional: 3684, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2845844, independent: 2739685, independent conditional: 21580, independent unconditional: 2718105, dependent: 106159, dependent conditional: 80851, dependent unconditional: 25308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2845844, independent: 2739685, independent conditional: 21580, independent unconditional: 2718105, dependent: 106159, dependent conditional: 21980, dependent unconditional: 84179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2845844, independent: 2739685, independent conditional: 21580, independent unconditional: 2718105, dependent: 106159, dependent conditional: 21980, dependent unconditional: 84179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3741, independent: 3603, independent conditional: 113, independent unconditional: 3490, dependent: 138, dependent conditional: 94, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3741, independent: 3485, independent conditional: 0, independent unconditional: 3485, dependent: 256, dependent conditional: 0, dependent unconditional: 256, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 256, independent: 118, independent conditional: 113, independent unconditional: 5, dependent: 138, dependent conditional: 94, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 256, independent: 118, independent conditional: 113, independent unconditional: 5, dependent: 138, dependent conditional: 94, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 899, independent: 389, independent conditional: 367, independent unconditional: 22, dependent: 510, dependent conditional: 311, dependent unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2845844, independent: 2736082, independent conditional: 21467, independent unconditional: 2714615, dependent: 106021, dependent conditional: 21886, dependent unconditional: 84135, unknown: 3741, unknown conditional: 207, unknown unconditional: 3534] , Statistics on independence cache: Total cache size (in pairs): 3741, Positive cache size: 3603, Positive conditional cache size: 113, Positive unconditional cache size: 3490, Negative cache size: 138, Negative conditional cache size: 94, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 58871, Maximal queried relation: 20, Independence queries for same thread: 674736 - PositiveResult [Line: 162]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 284 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 107.3s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 68.5s, 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: 654, 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: 0.5s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 31.2s InterpolantComputationTime, 10042 NumberOfCodeBlocks, 9850 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 12763 ConstructedInterpolants, 12 QuantifiedInterpolants, 78153 SizeOfPredicates, 147 NumberOfNonLiveVariables, 6764 ConjunctsInSsa, 218 ConjunctsInUnsatCore, 48 InterpolantComputations, 17 PerfectInterpolantSequences, 3549/4451 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-04 12:18:11,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 12:18:11,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...