/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 17:29:17,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 17:29:17,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 17:29:17,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 17:29:17,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 17:29:17,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 17:29:17,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 17:29:17,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 17:29:17,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 17:29:17,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 17:29:17,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 17:29:17,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 17:29:17,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 17:29:17,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 17:29:17,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 17:29:17,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 17:29:17,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 17:29:17,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 17:29:17,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 17:29:17,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 17:29:17,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 17:29:17,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 17:29:17,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 17:29:17,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 17:29:17,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 17:29:17,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 17:29:17,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 17:29:17,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 17:29:17,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 17:29:17,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 17:29:17,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 17:29:17,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 17:29:17,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 17:29:17,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 17:29:17,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 17:29:17,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 17:29:17,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 17:29:17,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 17:29:17,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 17:29:17,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 17:29:17,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 17:29:17,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 17:29:17,498 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 17:29:17,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 17:29:17,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 17:29:17,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 17:29:17,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 17:29:17,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 17:29:17,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 17:29:17,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 17:29:17,501 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 17:29:17,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 17:29:17,502 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 17:29:17,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 17:29:17,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 17:29:17,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 17:29:17,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 17:29:17,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 17:29:17,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 17:29:17,502 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 17:29:17,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 17:29:17,503 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 17:29:17,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 17:29:17,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 17:29:17,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 17:29:17,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 17:29:17,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 17:29:17,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 17:29:17,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 17:29:17,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 17:29:17,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 17:29:17,505 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 17:29:17,505 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 17:29:17,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 17:29:17,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 17:29:17,505 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 17:29:17,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 17:29:17,506 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 17:29:17,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 17:29:17,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 17:29:17,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 17:29:17,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 17:29:17,772 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 17:29:17,774 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 17:29:17,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c [2023-05-20 17:29:17,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aafc13c6/2795c3cd354e45a796e49a1762e070cb/FLAGc01dc6b59 [2023-05-20 17:29:18,256 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 17:29:18,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c [2023-05-20 17:29:18,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aafc13c6/2795c3cd354e45a796e49a1762e070cb/FLAGc01dc6b59 [2023-05-20 17:29:18,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aafc13c6/2795c3cd354e45a796e49a1762e070cb [2023-05-20 17:29:18,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 17:29:18,665 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 17:29:18,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 17:29:18,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 17:29:18,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 17:29:18,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:29:18" (1/1) ... [2023-05-20 17:29:18,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3215f6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18, skipping insertion in model container [2023-05-20 17:29:18,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:29:18" (1/1) ... [2023-05-20 17:29:18,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 17:29:18,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 17:29:18,891 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-min-max-inc.wvr.c[3018,3031] [2023-05-20 17:29:18,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 17:29:18,906 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 17:29:18,926 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-min-max-inc.wvr.c[3018,3031] [2023-05-20 17:29:18,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 17:29:18,940 INFO L208 MainTranslator]: Completed translation [2023-05-20 17:29:18,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18 WrapperNode [2023-05-20 17:29:18,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 17:29:18,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 17:29:18,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 17:29:18,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 17:29:18,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18" (1/1) ... [2023-05-20 17:29:18,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18" (1/1) ... [2023-05-20 17:29:18,975 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2023-05-20 17:29:18,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 17:29:18,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 17:29:18,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 17:29:18,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 17:29:18,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18" (1/1) ... [2023-05-20 17:29:18,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18" (1/1) ... [2023-05-20 17:29:18,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18" (1/1) ... [2023-05-20 17:29:18,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18" (1/1) ... [2023-05-20 17:29:19,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18" (1/1) ... [2023-05-20 17:29:19,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18" (1/1) ... [2023-05-20 17:29:19,020 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18" (1/1) ... [2023-05-20 17:29:19,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18" (1/1) ... [2023-05-20 17:29:19,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 17:29:19,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 17:29:19,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 17:29:19,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 17:29:19,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18" (1/1) ... [2023-05-20 17:29:19,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 17:29:19,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:29:19,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 17:29:19,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 17:29:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 17:29:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 17:29:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 17:29:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 17:29:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 17:29:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 17:29:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 17:29:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 17:29:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 17:29:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 17:29:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-20 17:29:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-20 17:29:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 17:29:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 17:29:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 17:29:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 17:29:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 17:29:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 17:29:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 17:29:19,096 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 17:29:19,219 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 17:29:19,220 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 17:29:19,608 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 17:29:19,735 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 17:29:19,735 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-05-20 17:29:19,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:29:19 BoogieIcfgContainer [2023-05-20 17:29:19,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 17:29:19,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 17:29:19,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 17:29:19,747 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 17:29:19,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 05:29:18" (1/3) ... [2023-05-20 17:29:19,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a942ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:29:19, skipping insertion in model container [2023-05-20 17:29:19,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:29:18" (2/3) ... [2023-05-20 17:29:19,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a942ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:29:19, skipping insertion in model container [2023-05-20 17:29:19,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:29:19" (3/3) ... [2023-05-20 17:29:19,750 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc.wvr.c [2023-05-20 17:29:19,762 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 17:29:19,771 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 17:29:19,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 17:29:19,771 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 17:29:19,836 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-20 17:29:19,876 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 17:29:19,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 17:29:19,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:29:19,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 17:29:19,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 17:29:19,907 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 17:29:19,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 17:29:19,935 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;@630cc376, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 17:29:19,935 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-20 17:29:20,344 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:29:20,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:29:20,349 INFO L85 PathProgramCache]: Analyzing trace with hash 114332358, now seen corresponding path program 1 times [2023-05-20 17:29:20,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:29:20,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882756141] [2023-05-20 17:29:20,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:20,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:29:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:20,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:29:20,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:29:20,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882756141] [2023-05-20 17:29:20,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882756141] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:29:20,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:29:20,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 17:29:20,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125142779] [2023-05-20 17:29:20,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:29:20,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 17:29:20,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:29:20,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 17:29:20,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 17:29:20,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:20,688 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:29:20,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:29:20,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:20,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:20,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 17:29:20,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:29:20,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:29:20,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1325736532, now seen corresponding path program 1 times [2023-05-20 17:29:20,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:29:20,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901807737] [2023-05-20 17:29:20,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:20,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:29:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:21,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:29:21,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:29:21,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901807737] [2023-05-20 17:29:21,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901807737] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:29:21,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:29:21,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 17:29:21,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13353739] [2023-05-20 17:29:21,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:29:21,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 17:29:21,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:29:21,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 17:29:21,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-20 17:29:21,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:21,259 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:29:21,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 7 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:29:21,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:21,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:21,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:21,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:21,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 17:29:21,440 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:29:21,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:29:21,442 INFO L85 PathProgramCache]: Analyzing trace with hash -290707739, now seen corresponding path program 1 times [2023-05-20 17:29:21,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:29:21,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697986806] [2023-05-20 17:29:21,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:21,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:29:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:21,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:29:21,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:29:21,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697986806] [2023-05-20 17:29:21,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697986806] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:29:21,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266400629] [2023-05-20 17:29:21,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:21,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:29:21,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:29:21,785 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:29:21,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 17:29:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:21,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-20 17:29:21,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:29:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:29:22,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:29:22,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:29:22,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266400629] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 17:29:22,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 17:29:22,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-20 17:29:22,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949493298] [2023-05-20 17:29:22,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:29:22,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 17:29:22,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:29:22,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 17:29:22,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-20 17:29:22,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:22,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:29:22,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:29:22,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:22,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:22,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:22,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 17:29:22,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-20 17:29:22,829 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:29:22,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:29:22,830 INFO L85 PathProgramCache]: Analyzing trace with hash -834811592, now seen corresponding path program 1 times [2023-05-20 17:29:22,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:29:22,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765324270] [2023-05-20 17:29:22,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:22,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:29:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:29:23,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:29:23,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765324270] [2023-05-20 17:29:23,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765324270] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:29:23,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133133919] [2023-05-20 17:29:23,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:23,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:29:23,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:29:23,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:29:23,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 17:29:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:23,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-20 17:29:23,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:29:23,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:29:23,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:29:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:29:23,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133133919] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 17:29:23,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 17:29:23,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-20 17:29:23,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538857355] [2023-05-20 17:29:23,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:29:23,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 17:29:23,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:29:23,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 17:29:23,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-20 17:29:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:23,494 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:29:23,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:29:23,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:23,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:23,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:23,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:23,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-20 17:29:23,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:29:23,842 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:29:23,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:29:23,843 INFO L85 PathProgramCache]: Analyzing trace with hash -343427622, now seen corresponding path program 1 times [2023-05-20 17:29:23,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:29:23,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255804996] [2023-05-20 17:29:23,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:23,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:29:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:24,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:29:24,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:29:24,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255804996] [2023-05-20 17:29:24,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255804996] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:29:24,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848943716] [2023-05-20 17:29:24,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:24,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:29:24,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:29:24,029 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:29:24,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 17:29:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:24,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-20 17:29:24,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:29:24,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:29:24,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:29:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:29:24,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848943716] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 17:29:24,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 17:29:24,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-20 17:29:24,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283328848] [2023-05-20 17:29:24,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:29:24,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 17:29:24,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:29:24,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 17:29:24,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-20 17:29:24,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:24,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:29:24,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:29:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:24,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:24,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:24,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:24,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:24,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:24,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 17:29:24,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:29:24,849 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:29:24,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:29:24,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1619343932, now seen corresponding path program 1 times [2023-05-20 17:29:24,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:29:24,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954177134] [2023-05-20 17:29:24,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:24,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:29:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:29:25,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:29:25,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954177134] [2023-05-20 17:29:25,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954177134] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:29:25,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792027016] [2023-05-20 17:29:25,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:25,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:29:25,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:29:25,134 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:29:25,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 17:29:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:25,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 17:29:25,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:29:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:29:25,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:29:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:29:25,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792027016] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:29:25,802 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:29:25,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-20 17:29:25,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38785473] [2023-05-20 17:29:25,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:29:25,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-20 17:29:25,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:29:25,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-20 17:29:25,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-05-20 17:29:25,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:25,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:29:25,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 10.666666666666666) internal successors, (256), 24 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:29:25,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:25,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:25,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:25,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:25,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:25,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:26,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:26,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:26,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:26,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:26,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:26,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:29:26,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 17:29:26,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:29:26,307 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:29:26,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:29:26,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1138069955, now seen corresponding path program 2 times [2023-05-20 17:29:26,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:29:26,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001781021] [2023-05-20 17:29:26,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:26,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:29:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:26,582 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:29:26,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:29:26,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001781021] [2023-05-20 17:29:26,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001781021] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:29:26,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219554840] [2023-05-20 17:29:26,583 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 17:29:26,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:29:26,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:29:26,585 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:29:26,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 17:29:26,697 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-20 17:29:26,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:29:26,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-20 17:29:26,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:29:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 17:29:26,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 17:29:26,975 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-20 17:29:27,105 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 17:29:27,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 17:29:27,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219554840] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:29:27,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 17:29:27,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [11] total 25 [2023-05-20 17:29:27,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900199730] [2023-05-20 17:29:27,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:29:27,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-20 17:29:27,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:29:27,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-20 17:29:27,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2023-05-20 17:29:27,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:27,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:29:27,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.9375) internal successors, (143), 16 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:29:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:29:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:29:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:29:32,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 17:29:32,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:29:32,377 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:29:32,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:29:32,378 INFO L85 PathProgramCache]: Analyzing trace with hash 2016650913, now seen corresponding path program 3 times [2023-05-20 17:29:32,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:29:32,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585725562] [2023-05-20 17:29:32,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:32,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:29:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:29:32,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:29:32,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585725562] [2023-05-20 17:29:32,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585725562] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:29:32,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315468016] [2023-05-20 17:29:32,664 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 17:29:32,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:29:32,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:29:32,666 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:29:32,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 17:29:32,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-05-20 17:29:32,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:29:32,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 23 conjunts are in the unsatisfiable core [2023-05-20 17:29:32,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:29:33,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 17:29:33,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 17:29:33,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 17:29:33,277 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 17:29:33,304 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-20 17:29:33,438 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 17:29:33,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 17:29:33,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315468016] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:29:33,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 17:29:33,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [11] total 27 [2023-05-20 17:29:33,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452113783] [2023-05-20 17:29:33,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:29:33,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-20 17:29:33,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:29:33,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-20 17:29:33,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=637, Unknown=0, NotChecked=0, Total=702 [2023-05-20 17:29:33,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:33,441 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:29:33,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.944444444444445) internal successors, (143), 18 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:29:33,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:33,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:33,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:33,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:33,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:33,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:29:33,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:29:33,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:35,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:35,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:35,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:35,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:35,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:35,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:29:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:29:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 17:29:36,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 17:29:36,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:29:36,184 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:29:36,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:29:36,184 INFO L85 PathProgramCache]: Analyzing trace with hash -932750680, now seen corresponding path program 4 times [2023-05-20 17:29:36,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:29:36,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545275066] [2023-05-20 17:29:36,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:36,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:29:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:29:36,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:29:36,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545275066] [2023-05-20 17:29:36,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545275066] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:29:36,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830991179] [2023-05-20 17:29:36,442 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 17:29:36,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:29:36,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:29:36,443 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:29:36,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 17:29:36,551 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 17:29:36,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:29:36,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 17:29:36,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:29:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:29:36,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:29:37,134 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:29:37,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830991179] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:29:37,134 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:29:37,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-20 17:29:37,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50864113] [2023-05-20 17:29:37,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:29:37,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-20 17:29:37,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:29:37,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-20 17:29:37,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-05-20 17:29:37,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:37,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:29:37,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 10.708333333333334) internal successors, (257), 24 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:29:37,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:37,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:37,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:37,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:37,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:37,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:29:37,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:29:37,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 17:29:37,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:29:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:29:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 17:29:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 17:29:39,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-20 17:29:40,025 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,SelfDestructingSolverStorable8 [2023-05-20 17:29:40,025 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:29:40,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:29:40,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1117086711, now seen corresponding path program 5 times [2023-05-20 17:29:40,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:29:40,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554075283] [2023-05-20 17:29:40,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:40,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:29:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 17:29:40,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:29:40,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554075283] [2023-05-20 17:29:40,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554075283] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:29:40,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63214746] [2023-05-20 17:29:40,418 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 17:29:40,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:29:40,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:29:40,420 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:29:40,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 17:29:40,536 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2023-05-20 17:29:40,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:29:40,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 17:29:40,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:29:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 17:29:40,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:29:40,847 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-20 17:29:40,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63214746] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:29:40,848 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:29:40,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 22 [2023-05-20 17:29:40,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922104010] [2023-05-20 17:29:40,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:29:40,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-20 17:29:40,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:29:40,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-20 17:29:40,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2023-05-20 17:29:40,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:40,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:29:40,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 12.318181818181818) internal successors, (271), 22 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:29:40,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:40,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:40,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:40,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:40,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:40,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:29:40,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:29:40,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 17:29:40,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 17:29:40,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:50,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:50,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:50,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:50,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:29:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:29:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 17:29:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 17:29:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 17:29:50,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 17:29:50,472 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,SelfDestructingSolverStorable9 [2023-05-20 17:29:50,472 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:29:50,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:29:50,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1716571231, now seen corresponding path program 6 times [2023-05-20 17:29:50,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:29:50,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291641710] [2023-05-20 17:29:50,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:50,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:29:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:29:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-20 17:29:50,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:29:50,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291641710] [2023-05-20 17:29:50,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291641710] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:29:50,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:29:50,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 17:29:50,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166874903] [2023-05-20 17:29:50,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:29:51,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 17:29:51,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:29:51,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 17:29:51,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 17:29:51,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:51,002 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:29:51,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:29:51,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:29:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:29:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 17:29:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 17:29:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-20 17:29:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:59,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:59,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:59,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:29:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:29:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 17:29:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 17:29:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 17:29:59,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:29:59,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-05-20 17:29:59,213 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:29:59,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:29:59,213 INFO L85 PathProgramCache]: Analyzing trace with hash 344296797, now seen corresponding path program 7 times [2023-05-20 17:29:59,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:29:59,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898040939] [2023-05-20 17:29:59,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:29:59,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:29:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:30:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 17:30:00,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:30:00,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898040939] [2023-05-20 17:30:00,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898040939] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:30:00,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271147954] [2023-05-20 17:30:00,545 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 17:30:00,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:30:00,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:30:00,546 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:30:00,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 17:30:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:30:00,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 43 conjunts are in the unsatisfiable core [2023-05-20 17:30:00,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:30:00,708 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 17:30:00,751 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-20 17:30:00,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-20 17:30:00,973 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 17:30:00,974 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-20 17:30:01,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 17:30:01,432 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 17:30:01,517 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 17:30:01,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 17:30:01,590 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 17:30:01,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-20 17:30:01,718 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 17:30:01,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:30:02,295 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (+ c_~A~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4)))) (and (forall ((v_ArrVal_481 (Array Int Int)) (v_ArrVal_482 (Array Int Int))) (let ((.cse2 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_481) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_482) c_~A~0.base))) (let ((.cse0 (select .cse2 .cse3)) (.cse1 (select .cse2 c_~A~0.offset))) (or (< .cse0 (+ .cse1 2)) (< c_~min~0 .cse0) (< 2147483646 .cse1))))) (forall ((v_ArrVal_481 (Array Int Int)) (v_ArrVal_482 (Array Int Int))) (let ((.cse4 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_481) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_482) c_~A~0.base))) (let ((.cse5 (select .cse4 c_~A~0.offset))) (or (not (< c_~min~0 (select .cse4 .cse3))) (< c_~min~0 (+ .cse5 2)) (< 2147483646 .cse5))))))) is different from false [2023-05-20 17:30:02,418 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (+ c_~A~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4)))) (and (forall ((v_ArrVal_481 (Array Int Int)) (v_ArrVal_480 (Array Int Int)) (v_ArrVal_482 (Array Int Int))) (let ((.cse2 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_480) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_481) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_482) c_~A~0.base))) (let ((.cse0 (select .cse2 .cse3)) (.cse1 (select .cse2 c_~A~0.offset))) (or (< c_~min~0 .cse0) (< .cse0 (+ 2 .cse1)) (< 2147483646 .cse1))))) (forall ((v_ArrVal_481 (Array Int Int)) (v_ArrVal_480 (Array Int Int)) (v_ArrVal_482 (Array Int Int))) (let ((.cse5 (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_480) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_481) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_482) c_~A~0.base))) (let ((.cse4 (select .cse5 c_~A~0.offset))) (or (< c_~min~0 (+ 2 .cse4)) (not (< c_~min~0 (select .cse5 .cse3))) (< 2147483646 .cse4))))))) is different from false [2023-05-20 17:30:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 17:30:02,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271147954] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:30:02,511 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:30:02,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 11] total 38 [2023-05-20 17:30:02,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246118651] [2023-05-20 17:30:02,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:30:02,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-20 17:30:02,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:30:02,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-20 17:30:02,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1110, Unknown=18, NotChecked=138, Total=1406 [2023-05-20 17:30:02,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:30:02,513 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:30:02,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 10.736842105263158) internal successors, (408), 38 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:30:02,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:30:02,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:02,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:02,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:02,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:02,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:30:02,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:30:02,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 17:30:02,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 17:30:02,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-20 17:30:02,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:30:02,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:30:15,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:30:15,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:15,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:15,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:30:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 17:30:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:30:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 17:30:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:30:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:30:15,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 17:30:15,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-05-20 17:30:16,145 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,SelfDestructingSolverStorable11 [2023-05-20 17:30:16,145 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:30:16,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:30:16,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1090092895, now seen corresponding path program 8 times [2023-05-20 17:30:16,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:30:16,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972077350] [2023-05-20 17:30:16,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:30:16,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:30:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:30:16,417 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 17:30:16,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:30:16,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972077350] [2023-05-20 17:30:16,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972077350] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:30:16,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684955520] [2023-05-20 17:30:16,417 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 17:30:16,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:30:16,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:30:16,419 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:30:16,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 17:30:16,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-20 17:30:16,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:30:16,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 17:30:16,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:30:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-05-20 17:30:16,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 17:30:16,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684955520] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:30:16,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 17:30:16,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2023-05-20 17:30:16,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145383808] [2023-05-20 17:30:16,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:30:16,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 17:30:16,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:30:16,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 17:30:16,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2023-05-20 17:30:16,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:30:16,801 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:30:16,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:30:16,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:30:16,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:16,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:16,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:16,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:16,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:30:16,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 17:30:16,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:30:16,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 17:30:16,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:30:16,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:30:16,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 17:30:16,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:30:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:30:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:30:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-20 17:30:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:30:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 17:30:27,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:30:27,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:30:27,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 17:30:27,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 17:30:27,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 17:30:28,074 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,SelfDestructingSolverStorable12 [2023-05-20 17:30:28,075 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 17:30:28,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:30:28,075 INFO L85 PathProgramCache]: Analyzing trace with hash 952141488, now seen corresponding path program 9 times [2023-05-20 17:30:28,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:30:28,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74995083] [2023-05-20 17:30:28,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:30:28,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:30:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:30:28,318 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-20 17:30:28,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:30:28,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74995083] [2023-05-20 17:30:28,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74995083] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:30:28,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558996693] [2023-05-20 17:30:28,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 17:30:28,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:30:28,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:30:28,321 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:30:28,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 17:30:28,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-20 17:30:28,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:30:28,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 17:30:28,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:30:28,721 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-20 17:30:28,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:30:28,840 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-20 17:30:28,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558996693] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:30:28,840 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:30:28,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 23 [2023-05-20 17:30:28,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600674669] [2023-05-20 17:30:28,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:30:28,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-05-20 17:30:28,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:30:28,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-05-20 17:30:28,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2023-05-20 17:30:28,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:30:28,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:30:28,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 11.608695652173912) internal successors, (267), 23 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 17:30:28,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.