/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.partial.order.reduction.in.concurrent.analysis DPOR_SLEEP_NEW_STATES -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 21:32:17,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 21:32:17,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 21:32:17,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 21:32:17,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 21:32:17,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 21:32:17,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 21:32:17,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 21:32:17,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 21:32:17,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 21:32:17,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 21:32:17,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 21:32:17,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 21:32:17,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 21:32:17,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 21:32:17,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 21:32:17,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 21:32:17,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 21:32:17,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 21:32:17,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 21:32:17,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 21:32:17,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 21:32:17,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 21:32:17,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 21:32:17,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 21:32:17,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 21:32:17,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 21:32:17,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 21:32:17,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 21:32:17,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 21:32:17,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 21:32:17,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 21:32:17,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 21:32:17,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 21:32:17,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 21:32:17,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 21:32:17,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 21:32:17,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 21:32:17,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 21:32:17,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 21:32:17,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 21:32:17,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 21:32:17,460 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 21:32:17,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 21:32:17,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 21:32:17,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 21:32:17,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 21:32:17,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 21:32:17,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 21:32:17,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 21:32:17,462 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 21:32:17,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 21:32:17,462 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 21:32:17,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 21:32:17,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 21:32:17,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 21:32:17,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 21:32:17,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 21:32:17,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 21:32:17,463 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 21:32:17,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 21:32:17,464 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 21:32:17,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 21:32:17,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 21:32:17,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 21:32:17,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 21:32:17,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 21:32:17,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:32:17,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 21:32:17,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 21:32:17,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 21:32:17,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 21:32:17,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 21:32:17,469 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 21:32:17,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 21:32:17,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 21:32:17,469 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 21:32:17,470 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 21:32:17,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> DPOR_SLEEP_NEW_STATES [2023-03-23 21:32:17,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 21:32:17,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 21:32:17,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 21:32:17,718 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 21:32:17,719 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 21:32:17,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-03-23 21:32:18,962 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 21:32:19,148 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 21:32:19,148 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-03-23 21:32:19,154 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a172676cb/652e827e5e0b447daed69811e5dc8fae/FLAGe707d1416 [2023-03-23 21:32:19,165 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a172676cb/652e827e5e0b447daed69811e5dc8fae [2023-03-23 21:32:19,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 21:32:19,169 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 21:32:19,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 21:32:19,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 21:32:19,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 21:32:19,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:32:19" (1/1) ... [2023-03-23 21:32:19,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514d6aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19, skipping insertion in model container [2023-03-23 21:32:19,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 09:32:19" (1/1) ... [2023-03-23 21:32:19,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 21:32:19,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 21:32:19,341 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2023-03-23 21:32:19,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:32:19,358 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 21:32:19,380 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2023-03-23 21:32:19,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 21:32:19,390 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 21:32:19,390 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 21:32:19,396 INFO L208 MainTranslator]: Completed translation [2023-03-23 21:32:19,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19 WrapperNode [2023-03-23 21:32:19,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 21:32:19,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 21:32:19,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 21:32:19,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 21:32:19,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19" (1/1) ... [2023-03-23 21:32:19,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19" (1/1) ... [2023-03-23 21:32:19,445 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 326 [2023-03-23 21:32:19,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 21:32:19,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 21:32:19,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 21:32:19,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 21:32:19,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19" (1/1) ... [2023-03-23 21:32:19,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19" (1/1) ... [2023-03-23 21:32:19,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19" (1/1) ... [2023-03-23 21:32:19,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19" (1/1) ... [2023-03-23 21:32:19,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19" (1/1) ... [2023-03-23 21:32:19,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19" (1/1) ... [2023-03-23 21:32:19,500 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19" (1/1) ... [2023-03-23 21:32:19,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19" (1/1) ... [2023-03-23 21:32:19,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 21:32:19,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 21:32:19,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 21:32:19,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 21:32:19,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19" (1/1) ... [2023-03-23 21:32:19,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 21:32:19,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:32:19,550 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) [2023-03-23 21:32:19,576 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 [2023-03-23 21:32:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 21:32:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 21:32:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 21:32:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 21:32:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-03-23 21:32:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-03-23 21:32:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-03-23 21:32:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-03-23 21:32:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-03-23 21:32:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-03-23 21:32:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-03-23 21:32:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-03-23 21:32:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 21:32:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 21:32:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 21:32:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-23 21:32:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 21:32:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 21:32:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 21:32:19,597 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 21:32:19,756 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 21:32:19,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 21:32:20,198 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 21:32:20,390 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 21:32:20,391 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-03-23 21:32:20,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:32:20 BoogieIcfgContainer [2023-03-23 21:32:20,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 21:32:20,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 21:32:20,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 21:32:20,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 21:32:20,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 09:32:19" (1/3) ... [2023-03-23 21:32:20,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bef46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:32:20, skipping insertion in model container [2023-03-23 21:32:20,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 09:32:19" (2/3) ... [2023-03-23 21:32:20,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bef46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 09:32:20, skipping insertion in model container [2023-03-23 21:32:20,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 09:32:20" (3/3) ... [2023-03-23 21:32:20,403 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2023-03-23 21:32:20,410 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 21:32:20,416 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 21:32:20,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 21:32:20,416 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 21:32:20,494 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-03-23 21:32:20,542 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:32:20,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 21:32:20,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:32:20,546 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) [2023-03-23 21:32:20,547 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 [2023-03-23 21:32:20,582 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 21:32:20,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 21:32:20,594 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;@4a4d5953, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 21:32:20,594 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-03-23 21:32:22,724 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)] === [2023-03-23 21:32:22,728 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:32:22,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1357618554, now seen corresponding path program 1 times [2023-03-23 21:32:22,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:32:22,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984560998] [2023-03-23 21:32:22,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:32:22,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:32:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:32:23,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-23 21:32:23,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:32:23,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984560998] [2023-03-23 21:32:23,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984560998] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:32:23,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:32:23,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 21:32:23,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093030243] [2023-03-23 21:32:23,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:32:23,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 21:32:23,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:32:23,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 21:32:23,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 21:32:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:23,064 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:32:23,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 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) [2023-03-23 21:32:23,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:23,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:23,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 21:32:23,711 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)] === [2023-03-23 21:32:23,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:32:23,712 INFO L85 PathProgramCache]: Analyzing trace with hash 835303911, now seen corresponding path program 1 times [2023-03-23 21:32:23,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:32:23,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413113005] [2023-03-23 21:32:23,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:32:23,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:32:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:32:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 21:32:24,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:32:24,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413113005] [2023-03-23 21:32:24,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413113005] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:32:24,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:32:24,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 21:32:24,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713758617] [2023-03-23 21:32:24,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:32:24,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 21:32:24,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:32:24,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 21:32:24,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-23 21:32:24,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:24,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:32:24,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.833333333333332) internal successors, (185), 6 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 21:32:24,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:24,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:24,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:24,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:32:24,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 21:32:24,949 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)] === [2023-03-23 21:32:24,949 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:32:24,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1679503118, now seen corresponding path program 1 times [2023-03-23 21:32:24,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:32:24,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50619935] [2023-03-23 21:32:24,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:32:24,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:32:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:32:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-23 21:32:25,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:32:25,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50619935] [2023-03-23 21:32:25,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50619935] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 21:32:25,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 21:32:25,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 21:32:25,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188102301] [2023-03-23 21:32:25,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 21:32:25,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 21:32:25,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:32:25,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 21:32:25,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-03-23 21:32:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:25,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:32:25,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 21:32:25,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:25,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:32:25,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:32:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:32:25,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-23 21:32:25,861 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)] === [2023-03-23 21:32:25,861 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:32:25,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1288456121, now seen corresponding path program 1 times [2023-03-23 21:32:25,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:32:25,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498952563] [2023-03-23 21:32:25,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:32:25,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:32:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:32:26,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 21:32:26,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:32:26,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498952563] [2023-03-23 21:32:27,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498952563] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:32:27,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468094964] [2023-03-23 21:32:27,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:32:27,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:32:27,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:32:27,047 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) [2023-03-23 21:32:27,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-23 21:32:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:32:27,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 17 conjunts are in the unsatisfiable core [2023-03-23 21:32:27,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:32:28,190 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 21:32:28,190 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:32:28,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 21:32:28,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468094964] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:32:28,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:32:28,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 13] total 31 [2023-03-23 21:32:28,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481842790] [2023-03-23 21:32:28,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:32:28,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-03-23 21:32:28,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:32:28,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-03-23 21:32:28,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=770, Unknown=0, NotChecked=0, Total=930 [2023-03-23 21:32:28,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:28,987 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:32:28,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 17.419354838709676) internal successors, (540), 31 states have internal predecessors, (540), 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) [2023-03-23 21:32:28,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:28,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:32:28,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:32:28,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:30,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:32:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:32:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:32:30,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-23 21:32:30,523 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,SelfDestructingSolverStorable3 [2023-03-23 21:32:30,523 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)] === [2023-03-23 21:32:30,524 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:32:30,524 INFO L85 PathProgramCache]: Analyzing trace with hash 532214240, now seen corresponding path program 2 times [2023-03-23 21:32:30,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:32:30,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344519316] [2023-03-23 21:32:30,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:32:30,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:32:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:32:31,075 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 21:32:31,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:32:31,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344519316] [2023-03-23 21:32:31,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344519316] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:32:31,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114516986] [2023-03-23 21:32:31,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 21:32:31,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:32:31,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:32:31,078 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) [2023-03-23 21:32:31,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-23 21:32:31,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 21:32:31,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:32:31,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 15 conjunts are in the unsatisfiable core [2023-03-23 21:32:31,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:32:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 21:32:31,720 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:32:31,974 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-23 21:32:31,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114516986] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:32:31,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:32:31,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 10] total 23 [2023-03-23 21:32:31,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786163904] [2023-03-23 21:32:31,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:32:31,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-03-23 21:32:31,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:32:31,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-03-23 21:32:31,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2023-03-23 21:32:31,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:31,978 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:32:31,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 18.08695652173913) internal successors, (416), 23 states have internal predecessors, (416), 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) [2023-03-23 21:32:31,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:32:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:32:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:32:31,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:33,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:33,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:32:33,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:32:33,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:32:33,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:32:34,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-23 21:32:34,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:32:34,202 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)] === [2023-03-23 21:32:34,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:32:34,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1108287565, now seen corresponding path program 3 times [2023-03-23 21:32:34,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:32:34,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892990089] [2023-03-23 21:32:34,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:32:34,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:32:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:32:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-03-23 21:32:34,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:32:34,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892990089] [2023-03-23 21:32:34,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892990089] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:32:34,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519639593] [2023-03-23 21:32:34,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 21:32:34,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:32:34,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:32:34,707 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) [2023-03-23 21:32:34,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-23 21:32:34,892 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-03-23 21:32:34,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:32:34,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 9 conjunts are in the unsatisfiable core [2023-03-23 21:32:34,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:32:35,122 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-03-23 21:32:35,122 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:32:35,397 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-03-23 21:32:35,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519639593] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:32:35,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:32:35,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-03-23 21:32:35,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177213317] [2023-03-23 21:32:35,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:32:35,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-23 21:32:35,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:32:35,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-23 21:32:35,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-03-23 21:32:35,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:35,400 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:32:35,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.157894736842104) internal successors, (250), 19 states have internal predecessors, (250), 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) [2023-03-23 21:32:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:32:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:32:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:32:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:32:35,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:36,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:36,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:32:36,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:32:36,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:32:36,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:32:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:32:36,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-23 21:32:37,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:32:37,173 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)] === [2023-03-23 21:32:37,174 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:32:37,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1233429634, now seen corresponding path program 4 times [2023-03-23 21:32:37,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:32:37,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086548171] [2023-03-23 21:32:37,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:32:37,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:32:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:32:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 15 proven. 58 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-03-23 21:32:37,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:32:37,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086548171] [2023-03-23 21:32:37,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086548171] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:32:37,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803477161] [2023-03-23 21:32:37,803 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-03-23 21:32:37,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:32:37,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:32:37,804 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) [2023-03-23 21:32:37,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-23 21:32:37,962 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-03-23 21:32:37,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:32:37,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 36 conjunts are in the unsatisfiable core [2023-03-23 21:32:37,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:32:38,885 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-23 21:32:38,885 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:32:39,412 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-03-23 21:32:39,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2023-03-23 21:32:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 71 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-23 21:32:39,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803477161] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:32:39,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:32:39,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19, 18] total 42 [2023-03-23 21:32:39,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238040705] [2023-03-23 21:32:39,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:32:39,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-03-23 21:32:39,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:32:39,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-03-23 21:32:39,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=1408, Unknown=0, NotChecked=0, Total=1722 [2023-03-23 21:32:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:39,896 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:32:39,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 10.261904761904763) internal successors, (431), 42 states have internal predecessors, (431), 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) [2023-03-23 21:32:39,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:39,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:32:39,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:32:39,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:32:39,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:32:39,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:32:39,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:32:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:32:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:32:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:32:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:32:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:32:42,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-23 21:32:42,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:32:42,292 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)] === [2023-03-23 21:32:42,293 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:32:42,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1285755681, now seen corresponding path program 5 times [2023-03-23 21:32:42,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:32:42,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726575732] [2023-03-23 21:32:42,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:32:42,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:32:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:32:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 54 proven. 124 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-23 21:32:43,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:32:43,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726575732] [2023-03-23 21:32:43,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726575732] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:32:43,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66698605] [2023-03-23 21:32:43,259 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-03-23 21:32:43,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:32:43,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:32:43,262 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) [2023-03-23 21:32:43,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-23 21:32:43,480 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-03-23 21:32:43,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:32:43,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 21 conjunts are in the unsatisfiable core [2023-03-23 21:32:43,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:32:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 93 proven. 85 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-23 21:32:44,134 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:32:44,795 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 42 proven. 136 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-23 21:32:44,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66698605] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:32:44,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:32:44,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 55 [2023-03-23 21:32:44,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128766198] [2023-03-23 21:32:44,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:32:44,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-03-23 21:32:44,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:32:44,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-03-23 21:32:44,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=2489, Unknown=0, NotChecked=0, Total=2970 [2023-03-23 21:32:44,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:44,800 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:32:44,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 7.8545454545454545) internal successors, (432), 55 states have internal predecessors, (432), 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) [2023-03-23 21:32:44,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:44,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:32:44,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:32:44,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:32:44,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:32:44,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:32:44,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:32:44,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:32:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:32:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:32:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:32:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:32:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:32:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:32:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:32:46,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-23 21:32:46,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:32:46,675 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)] === [2023-03-23 21:32:46,675 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:32:46,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1968012458, now seen corresponding path program 6 times [2023-03-23 21:32:46,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:32:46,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806734169] [2023-03-23 21:32:46,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:32:46,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:32:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:32:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 2 proven. 229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:32:59,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:32:59,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806734169] [2023-03-23 21:32:59,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806734169] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:32:59,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395834821] [2023-03-23 21:32:59,215 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-03-23 21:32:59,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:32:59,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:32:59,219 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) [2023-03-23 21:32:59,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-03-23 21:32:59,660 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-03-23 21:32:59,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:32:59,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 249 conjunts are in the unsatisfiable core [2023-03-23 21:32:59,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:32:59,732 INFO L350 Elim1Store]: Elim1 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 [2023-03-23 21:32:59,791 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-03-23 21:32:59,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-03-23 21:32:59,871 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2023-03-23 21:32:59,872 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 17 treesize of output 30 [2023-03-23 21:32:59,964 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2023-03-23 21:32:59,964 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 25 treesize of output 46 [2023-03-23 21:33:01,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:33:01,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:33:01,988 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-03-23 21:33:01,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 52 [2023-03-23 21:33:03,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-03-23 21:33:04,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-03-23 21:33:04,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-03-23 21:33:05,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-03-23 21:33:07,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:33:07,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:33:07,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:33:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:33:07,632 INFO L321 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2023-03-23 21:33:07,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 52 [2023-03-23 21:33:08,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-03-23 21:33:09,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-03-23 21:33:10,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-03-23 21:33:10,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-03-23 21:33:10,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-03-23 21:33:16,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 34 [2023-03-23 21:33:16,545 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 8 proven. 223 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:33:16,546 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:33:38,669 INFO L321 Elim1Store]: treesize reduction 114, result has 54.9 percent of original size [2023-03-23 21:33:38,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 2137 treesize of output 595 [2023-03-23 21:33:39,752 INFO L321 Elim1Store]: treesize reduction 24, result has 94.4 percent of original size [2023-03-23 21:33:39,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 51610029 treesize of output 49048224 [2023-03-23 21:33:46,504 WARN L222 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 4162 DAG size of output: 948 (called from [L 809] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-03-23 21:33:46,589 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:33:46,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 26105 treesize of output 25170 [2023-03-23 21:33:46,994 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:33:46,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 25069 treesize of output 21026 [2023-03-23 21:33:47,420 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:33:47,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 20925 treesize of output 18954 [2023-03-23 21:33:47,873 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-03-23 21:33:47,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 18908 treesize of output 10721 [2023-03-23 21:36:35,142 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:36:35,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395834821] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:36:35,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:36:35,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 70, 75] total 190 [2023-03-23 21:36:35,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599818237] [2023-03-23 21:36:35,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:36:35,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2023-03-23 21:36:35,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:36:35,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2023-03-23 21:36:35,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5802, Invalid=29794, Unknown=314, NotChecked=0, Total=35910 [2023-03-23 21:36:35,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:36:35,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:36:35,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 190 states have (on average 4.08421052631579) internal successors, (776), 190 states have internal predecessors, (776), 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) [2023-03-23 21:36:35,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:36:35,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:36:35,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:36:35,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:36:35,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:36:35,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:36:35,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:36:35,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:36:35,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:37:06,413 WARN L222 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 311 DAG size of output: 294 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-03-23 21:37:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:37:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:37:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:37:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:37:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:37:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:37:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:37:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:37:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:37:24,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-03-23 21:37:24,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:37:24,246 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)] === [2023-03-23 21:37:24,246 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:37:24,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1880812184, now seen corresponding path program 7 times [2023-03-23 21:37:24,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:37:24,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256854025] [2023-03-23 21:37:24,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:37:24,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:37:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:37:25,219 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 53 proven. 34 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-03-23 21:37:25,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:37:25,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256854025] [2023-03-23 21:37:25,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256854025] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:37:25,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268940748] [2023-03-23 21:37:25,219 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-03-23 21:37:25,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:37:25,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:37:25,222 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) [2023-03-23 21:37:25,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-03-23 21:37:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:37:25,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 25 conjunts are in the unsatisfiable core [2023-03-23 21:37:25,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:37:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 74 proven. 49 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-03-23 21:37:25,967 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:37:26,304 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 64 proven. 39 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-03-23 21:37:26,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268940748] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:37:26,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:37:26,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 20, 13] total 35 [2023-03-23 21:37:26,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105625013] [2023-03-23 21:37:26,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:37:26,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-03-23 21:37:26,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:37:26,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-03-23 21:37:26,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=855, Unknown=0, NotChecked=0, Total=1190 [2023-03-23 21:37:26,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:37:26,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:37:26,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 9.971428571428572) internal successors, (349), 35 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 21:37:26,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:37:26,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:37:26,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:37:26,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:37:26,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:37:26,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:37:26,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:37:26,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:37:26,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:37:26,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:37:46,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:37:46,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:37:46,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:37:46,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:37:46,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:37:46,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:37:46,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:37:46,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:37:46,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:37:46,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:37:46,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-03-23 21:37:46,981 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,SelfDestructingSolverStorable9 [2023-03-23 21:37:46,982 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)] === [2023-03-23 21:37:46,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:37:46,983 INFO L85 PathProgramCache]: Analyzing trace with hash 819583991, now seen corresponding path program 8 times [2023-03-23 21:37:46,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:37:46,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312523869] [2023-03-23 21:37:46,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:37:46,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:37:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:37:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 108 proven. 271 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-03-23 21:37:48,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:37:48,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312523869] [2023-03-23 21:37:48,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312523869] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:37:48,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107504688] [2023-03-23 21:37:48,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 21:37:48,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:37:48,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:37:48,038 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) [2023-03-23 21:37:48,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-03-23 21:37:48,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 21:37:48,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:37:48,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 28 conjunts are in the unsatisfiable core [2023-03-23 21:37:48,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:37:49,125 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 206 proven. 175 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-23 21:37:49,125 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:37:50,121 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 108 proven. 273 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-23 21:37:50,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107504688] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:37:50,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:37:50,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 28] total 76 [2023-03-23 21:37:50,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931476259] [2023-03-23 21:37:50,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:37:50,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-03-23 21:37:50,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:37:50,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-03-23 21:37:50,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=933, Invalid=4767, Unknown=0, NotChecked=0, Total=5700 [2023-03-23 21:37:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:37:50,126 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:37:50,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 7.644736842105263) internal successors, (581), 76 states have internal predecessors, (581), 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) [2023-03-23 21:37:50,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:37:50,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:37:50,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:37:50,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:37:50,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:37:50,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:37:50,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:37:50,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:37:50,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:37:50,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:37:50,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:38:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:38:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:38:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:38:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:38:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:38:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:38:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:38:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:38:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:38:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:38:11,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:38:11,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-03-23 21:38:11,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:38:11,369 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)] === [2023-03-23 21:38:11,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:38:11,369 INFO L85 PathProgramCache]: Analyzing trace with hash -982033651, now seen corresponding path program 9 times [2023-03-23 21:38:11,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:38:11,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22011080] [2023-03-23 21:38:11,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:38:11,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:38:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:38:32,757 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 22 proven. 512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:38:32,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:38:32,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22011080] [2023-03-23 21:38:32,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22011080] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:38:32,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694505763] [2023-03-23 21:38:32,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-03-23 21:38:32,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:38:32,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:38:32,758 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) [2023-03-23 21:38:32,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-03-23 21:38:33,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2023-03-23 21:38:33,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:38:33,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 265 conjunts are in the unsatisfiable core [2023-03-23 21:38:33,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:38:47,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:47,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:47,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:47,994 INFO L173 IndexEqualityManager]: detected equality via solver [2023-03-23 21:38:47,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:47,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:47,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:47,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:47,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:47,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,004 INFO L173 IndexEqualityManager]: detected equality via solver [2023-03-23 21:38:48,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,022 INFO L173 IndexEqualityManager]: detected equality via solver [2023-03-23 21:38:48,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,026 INFO L173 IndexEqualityManager]: detected equality via solver [2023-03-23 21:38:48,035 INFO L173 IndexEqualityManager]: detected equality via solver [2023-03-23 21:38:48,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,044 INFO L173 IndexEqualityManager]: detected equality via solver [2023-03-23 21:38:48,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-03-23 21:38:48,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-03-23 21:38:48,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-03-23 21:38:48,173 INFO L321 Elim1Store]: treesize reduction 179, result has 48.4 percent of original size [2023-03-23 21:38:48,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 276 treesize of output 213 [2023-03-23 21:38:48,759 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 534 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:38:48,760 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:39:00,267 INFO L321 Elim1Store]: treesize reduction 1012, result has 39.2 percent of original size [2023-03-23 21:39:00,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 231 treesize of output 709 [2023-03-23 21:39:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 10 proven. 524 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 21:39:11,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694505763] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:39:11,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:39:11,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 68, 64] total 199 [2023-03-23 21:39:11,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153183998] [2023-03-23 21:39:11,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:39:11,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 199 states [2023-03-23 21:39:11,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:39:11,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2023-03-23 21:39:11,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3095, Invalid=36307, Unknown=0, NotChecked=0, Total=39402 [2023-03-23 21:39:11,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:39:11,532 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:39:11,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 199 states, 199 states have (on average 4.532663316582915) internal successors, (902), 199 states have internal predecessors, (902), 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) [2023-03-23 21:39:11,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:39:11,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:39:11,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:39:11,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:39:11,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:39:11,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:39:11,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:39:11,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:39:11,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:39:11,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:39:11,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:39:11,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:40:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:40:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:40:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:40:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:40:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:40:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:40:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-03-23 21:40:11,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-03-23 21:40:11,840 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 [2023-03-23 21:40:11,840 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)] === [2023-03-23 21:40:11,840 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:40:11,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1531420650, now seen corresponding path program 10 times [2023-03-23 21:40:11,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:40:11,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669796815] [2023-03-23 21:40:11,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:40:11,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:40:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:12,193 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 31 proven. 124 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-03-23 21:40:12,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:40:12,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669796815] [2023-03-23 21:40:12,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669796815] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:40:12,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227583991] [2023-03-23 21:40:12,194 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-03-23 21:40:12,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:12,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:40:12,195 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) [2023-03-23 21:40:12,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-03-23 21:40:12,626 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-03-23 21:40:12,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:40:12,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-23 21:40:12,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:40:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 33 proven. 122 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-03-23 21:40:12,968 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:40:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 31 proven. 124 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-03-23 21:40:13,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227583991] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:40:13,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:40:13,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 19 [2023-03-23 21:40:13,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633853128] [2023-03-23 21:40:13,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:40:13,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-23 21:40:13,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:40:13,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-23 21:40:13,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2023-03-23 21:40:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:13,297 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:40:13,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 19.789473684210527) internal successors, (376), 19 states have internal predecessors, (376), 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) [2023-03-23 21:40:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:40:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:40:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:40:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:40:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:40:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:40:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:40:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-03-23 21:40:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:40:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:40:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:40:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:40:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:40:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:40:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:40:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-03-23 21:40:13,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:40:13,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-03-23 21:40:14,140 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 [2023-03-23 21:40:14,140 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)] === [2023-03-23 21:40:14,140 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:40:14,140 INFO L85 PathProgramCache]: Analyzing trace with hash -86007087, now seen corresponding path program 11 times [2023-03-23 21:40:14,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:40:14,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010093853] [2023-03-23 21:40:14,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:40:14,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:40:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 130 proven. 92 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2023-03-23 21:40:14,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:40:14,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010093853] [2023-03-23 21:40:14,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010093853] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:40:14,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759118028] [2023-03-23 21:40:14,838 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-03-23 21:40:14,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:14,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:40:14,840 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) [2023-03-23 21:40:14,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-03-23 21:40:15,169 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2023-03-23 21:40:15,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:40:15,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 24 conjunts are in the unsatisfiable core [2023-03-23 21:40:15,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:40:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 179 proven. 10 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2023-03-23 21:40:15,706 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:40:15,923 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-03-23 21:40:15,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2023-03-23 21:40:16,162 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 142 proven. 47 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2023-03-23 21:40:16,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759118028] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:40:16,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:40:16,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 12] total 28 [2023-03-23 21:40:16,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67833525] [2023-03-23 21:40:16,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:40:16,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-03-23 21:40:16,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:40:16,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-03-23 21:40:16,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2023-03-23 21:40:16,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:16,166 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:40:16,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 13.714285714285714) internal successors, (384), 28 states have internal predecessors, (384), 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) [2023-03-23 21:40:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:40:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:40:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:40:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:40:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:40:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:40:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:40:16,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:16,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:16,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-03-23 21:40:16,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:40:16,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:40:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-03-23 21:40:17,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-03-23 21:40:17,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-03-23 21:40:17,275 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 21:40:17,276 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:40:17,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1423431875, now seen corresponding path program 12 times [2023-03-23 21:40:17,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:40:17,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542474682] [2023-03-23 21:40:17,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:40:17,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:40:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 78 proven. 52 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2023-03-23 21:40:17,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:40:17,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542474682] [2023-03-23 21:40:17,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542474682] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:40:17,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881255332] [2023-03-23 21:40:17,996 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-03-23 21:40:17,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:17,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:40:17,997 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 21:40:17,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-03-23 21:40:18,864 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2023-03-23 21:40:18,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:40:18,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 13 conjunts are in the unsatisfiable core [2023-03-23 21:40:18,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:40:19,429 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 7 proven. 116 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-03-23 21:40:19,429 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:40:19,642 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 90 proven. 33 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-03-23 21:40:19,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881255332] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:40:19,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:40:19,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2023-03-23 21:40:19,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009587573] [2023-03-23 21:40:19,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:40:19,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-23 21:40:19,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:40:19,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-23 21:40:19,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2023-03-23 21:40:19,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:19,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:40:19,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 16.35) internal successors, (327), 20 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 21:40:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:40:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:40:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:40:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:40:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:40:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:40:19,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:19,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:40:19,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:19,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:19,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-03-23 21:40:19,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:40:19,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-03-23 21:40:19,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:20,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:40:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:40:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:40:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:40:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:40:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:40:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:40:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-03-23 21:40:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:40:20,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-03-23 21:40:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-23 21:40:20,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-03-23 21:40:20,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-03-23 21:40:20,920 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 21:40:20,920 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:40:20,920 INFO L85 PathProgramCache]: Analyzing trace with hash -971644795, now seen corresponding path program 13 times [2023-03-23 21:40:20,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:40:20,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34741894] [2023-03-23 21:40:20,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:40:20,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:40:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4227 backedges. 313 proven. 1510 refuted. 0 times theorem prover too weak. 2404 trivial. 0 not checked. [2023-03-23 21:40:22,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:40:22,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34741894] [2023-03-23 21:40:22,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34741894] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:40:22,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863092371] [2023-03-23 21:40:22,291 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-03-23 21:40:22,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:22,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:40:22,293 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 21:40:22,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-03-23 21:40:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:22,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 2405 conjuncts, 36 conjunts are in the unsatisfiable core [2023-03-23 21:40:22,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:40:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4227 backedges. 2092 proven. 370 refuted. 0 times theorem prover too weak. 1765 trivial. 0 not checked. [2023-03-23 21:40:23,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:40:25,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4227 backedges. 1928 proven. 534 refuted. 0 times theorem prover too weak. 1765 trivial. 0 not checked. [2023-03-23 21:40:25,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863092371] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:40:25,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:40:25,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 36, 36] total 82 [2023-03-23 21:40:25,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382368557] [2023-03-23 21:40:25,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:40:25,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2023-03-23 21:40:25,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:40:25,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2023-03-23 21:40:25,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=939, Invalid=5703, Unknown=0, NotChecked=0, Total=6642 [2023-03-23 21:40:25,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:25,289 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:40:25,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 7.7317073170731705) internal successors, (634), 82 states have internal predecessors, (634), 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) [2023-03-23 21:40:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:40:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:40:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:40:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:40:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:40:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:40:25,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:25,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:40:25,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:25,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:25,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-03-23 21:40:25,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:40:25,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-03-23 21:40:25,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-03-23 21:40:25,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:27,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:27,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:40:27,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:40:27,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:40:27,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:40:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:40:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:40:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:40:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-03-23 21:40:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:40:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-03-23 21:40:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-03-23 21:40:27,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-03-23 21:40:27,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-03-23 21:40:28,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:28,141 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 21:40:28,141 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 21:40:28,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1768799629, now seen corresponding path program 14 times [2023-03-23 21:40:28,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 21:40:28,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211940113] [2023-03-23 21:40:28,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 21:40:28,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 21:40:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 21:40:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4333 backedges. 553 proven. 1806 refuted. 0 times theorem prover too weak. 1974 trivial. 0 not checked. [2023-03-23 21:40:29,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 21:40:29,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211940113] [2023-03-23 21:40:29,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211940113] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-23 21:40:29,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306297304] [2023-03-23 21:40:29,460 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-03-23 21:40:29,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-23 21:40:29,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 21:40:29,461 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-23 21:40:29,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-03-23 21:40:29,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-03-23 21:40:29,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-03-23 21:40:29,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 2433 conjuncts, 39 conjunts are in the unsatisfiable core [2023-03-23 21:40:29,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-23 21:40:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4333 backedges. 2189 proven. 451 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2023-03-23 21:40:31,270 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-23 21:40:32,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4333 backedges. 2015 proven. 625 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2023-03-23 21:40:32,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306297304] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-23 21:40:32,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-23 21:40:32,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 39, 39] total 91 [2023-03-23 21:40:32,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347814371] [2023-03-23 21:40:32,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-23 21:40:32,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2023-03-23 21:40:32,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 21:40:32,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2023-03-23 21:40:32,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1114, Invalid=7076, Unknown=0, NotChecked=0, Total=8190 [2023-03-23 21:40:32,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:32,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 21:40:32,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 7.461538461538462) internal successors, (679), 91 states have internal predecessors, (679), 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) [2023-03-23 21:40:32,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 21:40:32,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-03-23 21:40:32,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-03-23 21:40:35,011 WARN L238 SmtUtils]: Removed 5 from assertion stack [2023-03-23 21:40:35,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-03-23 21:40:35,021 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 21:40:35,057 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 21:40:35,057 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 21:40:35,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-03-23 21:40:35,212 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 13 for 8ms.. [2023-03-23 21:40:35,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-03-23 21:40:35,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-03-23 21:40:35,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-03-23 21:40:35,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-03-23 21:40:35,215 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-03-23 21:40:35,218 INFO L445 BasicCegarLoop]: Path program histogram: [14, 1, 1, 1] [2023-03-23 21:40:35,220 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 21:40:35,220 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 21:40:35,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 09:40:35 BasicIcfg [2023-03-23 21:40:35,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 21:40:35,222 INFO L158 Benchmark]: Toolchain (without parser) took 496053.29ms. Allocated memory was 244.3MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 193.7MB in the beginning and 1.1GB in the end (delta: -947.6MB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2023-03-23 21:40:35,222 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 180.4MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 21:40:35,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.83ms. Allocated memory is still 244.3MB. Free memory was 193.4MB in the beginning and 180.4MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-03-23 21:40:35,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.69ms. Allocated memory is still 244.3MB. Free memory was 180.4MB in the beginning and 178.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 21:40:35,223 INFO L158 Benchmark]: Boogie Preprocessor took 58.06ms. Allocated memory is still 244.3MB. Free memory was 178.0MB in the beginning and 175.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 21:40:35,223 INFO L158 Benchmark]: RCFGBuilder took 890.09ms. Allocated memory is still 244.3MB. Free memory was 175.5MB in the beginning and 187.0MB in the end (delta: -11.4MB). Peak memory consumption was 28.4MB. Max. memory is 8.0GB. [2023-03-23 21:40:35,223 INFO L158 Benchmark]: TraceAbstraction took 494823.33ms. Allocated memory was 244.3MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 185.9MB in the beginning and 1.1GB in the end (delta: -955.4MB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2023-03-23 21:40:35,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 180.4MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 226.83ms. Allocated memory is still 244.3MB. Free memory was 193.4MB in the beginning and 180.4MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.69ms. Allocated memory is still 244.3MB. Free memory was 180.4MB in the beginning and 178.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.06ms. Allocated memory is still 244.3MB. Free memory was 178.0MB in the beginning and 175.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 890.09ms. Allocated memory is still 244.3MB. Free memory was 175.5MB in the beginning and 187.0MB in the end (delta: -11.4MB). Peak memory consumption was 28.4MB. Max. memory is 8.0GB. * TraceAbstraction took 494823.33ms. Allocated memory was 244.3MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 185.9MB in the beginning and 1.1GB in the end (delta: -955.4MB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 116222721, independent: 108498491, independent conditional: 1596453, independent unconditional: 106902038, dependent: 7724230, dependent conditional: 216357, dependent unconditional: 7507873, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110692022, independent: 108498491, independent conditional: 1596453, independent unconditional: 106902038, dependent: 2193531, dependent conditional: 19596, dependent unconditional: 2173935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 110692022, independent: 108498491, independent conditional: 1596453, independent unconditional: 106902038, dependent: 2193531, dependent conditional: 19596, dependent unconditional: 2173935, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110811674, independent: 108498491, independent conditional: 1015, independent unconditional: 108497476, dependent: 2313183, dependent conditional: 118637, dependent unconditional: 2194546, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 110811674, independent: 108498491, independent conditional: 1015, independent unconditional: 108497476, dependent: 2313183, dependent conditional: 96992, dependent unconditional: 2216191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110811674, independent: 108498491, independent conditional: 1015, independent unconditional: 108497476, dependent: 2313183, dependent conditional: 96992, dependent unconditional: 2216191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7555, independent: 7344, independent conditional: 21, independent unconditional: 7323, dependent: 211, dependent conditional: 75, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7555, independent: 7299, independent conditional: 0, independent unconditional: 7299, dependent: 256, dependent conditional: 0, dependent unconditional: 256, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 256, independent: 45, independent conditional: 21, independent unconditional: 24, dependent: 211, dependent conditional: 75, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 256, independent: 45, independent conditional: 21, independent unconditional: 24, dependent: 211, dependent conditional: 75, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1242, independent: 213, independent conditional: 94, independent unconditional: 119, dependent: 1028, dependent conditional: 399, dependent unconditional: 629, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 110811674, independent: 108491147, independent conditional: 994, independent unconditional: 108490153, dependent: 2312972, dependent conditional: 96917, dependent unconditional: 2216055, unknown: 7555, unknown conditional: 96, unknown unconditional: 7459] , Statistics on independence cache: Total cache size (in pairs): 7555, Positive cache size: 7344, Positive conditional cache size: 21, Positive unconditional cache size: 7323, Negative cache size: 211, Negative conditional cache size: 75, Negative unconditional cache size: 136, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21645, Maximal queried relation: 11, Independence queries for same thread: 5530699 - TimeoutResultAtElement [Line: 150]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 13 for 8ms.. - TimeoutResultAtElement [Line: 140]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 13 for 8ms.. - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 13 for 8ms.. - TimeoutResultAtElement [Line: 141]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 13 for 8ms.. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 13 for 8ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 251 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 494.7s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 170.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 589, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 313.0s InterpolantComputationTime, 9420 NumberOfCodeBlocks, 9323 NumberOfCodeBlocksAsserted, 83 NumberOfCheckSat, 13800 ConstructedInterpolants, 375 QuantifiedInterpolants, 191776 SizeOfPredicates, 486 NumberOfNonLiveVariables, 14392 ConjunctsInSsa, 785 ConjunctsInUnsatCore, 45 InterpolantComputations, 3 PerfectInterpolantSequences, 27807/37408 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown