/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 06:16:58,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 06:16:58,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 06:16:58,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 06:16:58,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 06:16:58,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 06:16:58,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 06:16:58,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 06:16:58,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 06:16:58,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 06:16:58,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 06:16:58,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 06:16:58,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 06:16:58,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 06:16:58,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 06:16:58,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 06:16:58,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 06:16:58,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 06:16:58,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 06:16:58,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 06:16:58,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 06:16:58,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 06:16:58,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 06:16:58,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 06:16:58,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 06:16:58,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 06:16:58,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 06:16:58,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 06:16:58,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 06:16:58,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 06:16:58,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 06:16:58,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 06:16:58,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 06:16:58,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 06:16:58,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 06:16:58,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 06:16:58,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 06:16:58,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 06:16:58,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 06:16:58,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 06:16:58,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 06:16:58,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 06:16:58,415 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 06:16:58,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 06:16:58,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 06:16:58,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 06:16:58,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 06:16:58,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 06:16:58,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 06:16:58,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 06:16:58,416 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 06:16:58,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 06:16:58,422 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 06:16:58,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 06:16:58,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 06:16:58,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 06:16:58,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 06:16:58,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 06:16:58,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 06:16:58,423 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 06:16:58,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 06:16:58,423 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 06:16:58,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 06:16:58,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 06:16:58,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 06:16:58,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 06:16:58,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 06:16:58,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:16:58,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 06:16:58,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 06:16:58,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 06:16:58,425 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 06:16:58,425 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 06:16:58,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 06:16:58,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 06:16:58,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 06:16:58,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 06:16:58,426 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 06:16:58,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 06:16:58,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 06:16:58,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 06:16:58,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 06:16:58,633 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 06:16:58,634 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 06:16:58,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2023-05-04 06:16:58,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95cfd22d3/7b715ea419fb4e9ea267d9255c42ffd5/FLAG81ec1f69d [2023-05-04 06:16:59,061 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 06:16:59,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2023-05-04 06:16:59,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95cfd22d3/7b715ea419fb4e9ea267d9255c42ffd5/FLAG81ec1f69d [2023-05-04 06:16:59,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95cfd22d3/7b715ea419fb4e9ea267d9255c42ffd5 [2023-05-04 06:16:59,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 06:16:59,465 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 06:16:59,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 06:16:59,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 06:16:59,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 06:16:59,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:16:59" (1/1) ... [2023-05-04 06:16:59,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703cc54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59, skipping insertion in model container [2023-05-04 06:16:59,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:16:59" (1/1) ... [2023-05-04 06:16:59,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 06:16:59,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 06:16:59,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2023-05-04 06:16:59,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:16:59,707 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 06:16:59,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2023-05-04 06:16:59,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:16:59,755 INFO L208 MainTranslator]: Completed translation [2023-05-04 06:16:59,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59 WrapperNode [2023-05-04 06:16:59,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 06:16:59,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 06:16:59,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 06:16:59,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 06:16:59,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59" (1/1) ... [2023-05-04 06:16:59,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59" (1/1) ... [2023-05-04 06:16:59,798 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 138 [2023-05-04 06:16:59,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 06:16:59,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 06:16:59,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 06:16:59,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 06:16:59,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59" (1/1) ... [2023-05-04 06:16:59,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59" (1/1) ... [2023-05-04 06:16:59,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59" (1/1) ... [2023-05-04 06:16:59,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59" (1/1) ... [2023-05-04 06:16:59,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59" (1/1) ... [2023-05-04 06:16:59,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59" (1/1) ... [2023-05-04 06:16:59,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59" (1/1) ... [2023-05-04 06:16:59,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59" (1/1) ... [2023-05-04 06:16:59,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 06:16:59,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 06:16:59,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 06:16:59,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 06:16:59,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59" (1/1) ... [2023-05-04 06:16:59,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:16:59,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:16:59,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 06:16:59,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 06:16:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 06:16:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 06:16:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 06:16:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 06:16:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 06:16:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 06:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 06:16:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 06:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 06:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 06:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 06:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 06:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 06:16:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 06:16:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 06:16:59,954 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 06:17:00,017 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 06:17:00,019 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 06:17:00,214 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 06:17:00,320 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 06:17:00,320 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 06:17:00,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:17:00 BoogieIcfgContainer [2023-05-04 06:17:00,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 06:17:00,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 06:17:00,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 06:17:00,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 06:17:00,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 06:16:59" (1/3) ... [2023-05-04 06:17:00,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13205398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:17:00, skipping insertion in model container [2023-05-04 06:17:00,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:16:59" (2/3) ... [2023-05-04 06:17:00,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13205398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:17:00, skipping insertion in model container [2023-05-04 06:17:00,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:17:00" (3/3) ... [2023-05-04 06:17:00,340 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2023-05-04 06:17:00,345 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 06:17:00,354 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 06:17:00,354 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 06:17:00,354 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 06:17:00,416 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 06:17:00,483 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:17:00,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 06:17:00,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:17:00,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 06:17:00,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 06:17:00,536 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 06:17:00,557 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 06:17:00,563 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;@5ffebf07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:17:00,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 06:17:00,691 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:00,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:00,694 INFO L85 PathProgramCache]: Analyzing trace with hash 914658245, now seen corresponding path program 1 times [2023-05-04 06:17:00,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:00,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592185889] [2023-05-04 06:17:00,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:00,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:17:00,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:00,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592185889] [2023-05-04 06:17:00,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592185889] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:17:00,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:17:00,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 06:17:00,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557200992] [2023-05-04 06:17:00,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:17:00,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 06:17:00,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:00,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 06:17:00,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 06:17:00,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:00,918 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:00,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:00,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:00,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 06:17:00,940 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:00,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:00,941 INFO L85 PathProgramCache]: Analyzing trace with hash 455855403, now seen corresponding path program 1 times [2023-05-04 06:17:00,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:00,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6602745] [2023-05-04 06:17:00,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:00,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:01,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:17:01,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:01,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6602745] [2023-05-04 06:17:01,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6602745] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:17:01,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:17:01,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 06:17:01,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779702562] [2023-05-04 06:17:01,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:17:01,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 06:17:01,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:01,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 06:17:01,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-04 06:17:01,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:01,230 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:01,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:01,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:01,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:01,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:01,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:01,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 06:17:01,347 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:01,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:01,347 INFO L85 PathProgramCache]: Analyzing trace with hash 451463543, now seen corresponding path program 1 times [2023-05-04 06:17:01,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:01,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764590084] [2023-05-04 06:17:01,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:01,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:01,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:17:01,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:01,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764590084] [2023-05-04 06:17:01,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764590084] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:17:01,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:17:01,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 06:17:01,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853721181] [2023-05-04 06:17:01,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:17:01,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 06:17:01,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:01,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 06:17:01,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-04 06:17:01,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:01,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:01,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:01,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:01,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:01,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 06:17:01,620 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:01,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:01,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1472068320, now seen corresponding path program 1 times [2023-05-04 06:17:01,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:01,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439689539] [2023-05-04 06:17:01,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:01,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:01,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:01,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439689539] [2023-05-04 06:17:01,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439689539] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:17:01,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977680427] [2023-05-04 06:17:01,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:01,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:17:01,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:17:01,755 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:17:01,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 06:17:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:01,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 06:17:01,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:17:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:02,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:17:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:02,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977680427] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 06:17:02,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 06:17:02,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-04 06:17:02,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030810906] [2023-05-04 06:17:02,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:17:02,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 06:17:02,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:02,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 06:17:02,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-04 06:17:02,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:02,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:02,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:02,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:02,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:02,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:02,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:02,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:02,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:02,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:02,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:02,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 06:17:02,518 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 [2023-05-04 06:17:02,519 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:02,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:02,519 INFO L85 PathProgramCache]: Analyzing trace with hash -288953556, now seen corresponding path program 1 times [2023-05-04 06:17:02,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:02,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430637002] [2023-05-04 06:17:02,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:02,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:02,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:02,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:02,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430637002] [2023-05-04 06:17:02,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430637002] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:17:02,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805179396] [2023-05-04 06:17:02,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:02,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:17:02,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:17:02,653 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:17:02,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 06:17:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:02,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 06:17:02,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:17:02,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:02,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:17:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:02,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805179396] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 06:17:02,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 06:17:02,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-04 06:17:02,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836591023] [2023-05-04 06:17:02,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:17:02,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 06:17:02,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:02,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 06:17:02,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-04 06:17:02,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:02,995 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:02,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:02,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:02,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:02,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:02,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:02,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:03,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:03,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:03,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:03,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:03,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:03,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 06:17:03,281 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 [2023-05-04 06:17:03,281 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:03,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:03,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1546116118, now seen corresponding path program 1 times [2023-05-04 06:17:03,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:03,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376303016] [2023-05-04 06:17:03,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:03,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:03,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:03,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376303016] [2023-05-04 06:17:03,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376303016] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:17:03,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474549828] [2023-05-04 06:17:03,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:03,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:17:03,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:17:03,970 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:17:03,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 06:17:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:04,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 52 conjunts are in the unsatisfiable core [2023-05-04 06:17:04,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:17:04,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:17:04,405 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 06:17:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:04,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:17:04,546 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_103 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_103) c_~A~0.base) c_~A~0.offset) c_~counter~0)) is different from false [2023-05-04 06:17:04,569 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:17:04,569 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 32 [2023-05-04 06:17:04,572 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2023-05-04 06:17:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:04,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474549828] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:17:04,848 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:17:04,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 35 [2023-05-04 06:17:04,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976302271] [2023-05-04 06:17:04,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:17:04,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-05-04 06:17:04,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:04,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-05-04 06:17:04,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1003, Unknown=1, NotChecked=64, Total=1190 [2023-05-04 06:17:04,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:04,850 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:04,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 6.0285714285714285) internal successors, (211), 35 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:04,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:04,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:04,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:04,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:04,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:04,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:05,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:05,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:05,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:05,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:05,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:05,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:17:05,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 06:17:05,629 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 [2023-05-04 06:17:05,630 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:05,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:05,630 INFO L85 PathProgramCache]: Analyzing trace with hash -405189682, now seen corresponding path program 2 times [2023-05-04 06:17:05,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:05,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815534443] [2023-05-04 06:17:05,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:05,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:05,830 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:05,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:05,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815534443] [2023-05-04 06:17:05,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815534443] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:17:05,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949711218] [2023-05-04 06:17:05,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:17:05,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:17:05,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:17:05,832 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:17:05,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 06:17:05,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:17:05,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:17:05,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 06:17:05,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:17:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:06,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:17:06,118 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:06,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949711218] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:17:06,118 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:17:06,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 19 [2023-05-04 06:17:06,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778377777] [2023-05-04 06:17:06,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:17:06,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 06:17:06,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:06,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 06:17:06,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2023-05-04 06:17:06,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:06,121 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:06,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.157894736842104) internal successors, (174), 19 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:06,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:06,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:06,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:06,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:06,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:06,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:17:06,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:06,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:06,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:06,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:06,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:06,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:06,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:17:06,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:06,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 06:17:06,818 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 [2023-05-04 06:17:06,819 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:06,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:06,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1390386129, now seen corresponding path program 3 times [2023-05-04 06:17:06,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:06,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557326709] [2023-05-04 06:17:06,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:06,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:06,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:06,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557326709] [2023-05-04 06:17:06,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557326709] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:17:06,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149375941] [2023-05-04 06:17:06,998 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:17:06,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:17:06,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:17:07,014 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:17:07,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 06:17:07,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-04 06:17:07,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:17:07,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 06:17:07,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:17:07,259 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:17:07,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:17:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:17:07,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149375941] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:17:07,352 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:17:07,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 19 [2023-05-04 06:17:07,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379673018] [2023-05-04 06:17:07,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:17:07,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 06:17:07,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:07,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 06:17:07,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2023-05-04 06:17:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:07,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:07,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.473684210526315) internal successors, (180), 19 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:07,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:17:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:07,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:07,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:17:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:17:07,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 06:17:07,990 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 [2023-05-04 06:17:07,990 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:07,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:07,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1222350277, now seen corresponding path program 4 times [2023-05-04 06:17:07,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:07,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309982853] [2023-05-04 06:17:07,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:07,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:08,218 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:17:08,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:08,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309982853] [2023-05-04 06:17:08,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309982853] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:17:08,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255480023] [2023-05-04 06:17:08,218 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:17:08,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:17:08,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:17:08,225 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:17:08,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 06:17:08,300 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:17:08,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:17:08,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 06:17:08,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:17:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:17:08,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:17:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:17:08,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255480023] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:17:08,846 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:17:08,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-05-04 06:17:08,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275005643] [2023-05-04 06:17:08,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:17:08,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-04 06:17:08,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:08,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-04 06:17:08,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2023-05-04 06:17:08,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:08,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:08,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.176470588235294) internal successors, (210), 34 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:08,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:08,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:08,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:08,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:08,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:08,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:17:08,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:08,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:17:08,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:17:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:17:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:17:09,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 06:17:09,479 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 [2023-05-04 06:17:09,479 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:09,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:09,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1140118290, now seen corresponding path program 5 times [2023-05-04 06:17:09,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:09,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555069690] [2023-05-04 06:17:09,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:09,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:09,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:09,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555069690] [2023-05-04 06:17:09,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555069690] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:17:09,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609264859] [2023-05-04 06:17:09,696 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 06:17:09,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:17:09,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:17:09,709 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:17:09,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 06:17:09,817 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-05-04 06:17:09,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:17:09,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 06:17:09,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:17:10,013 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 06:17:10,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:17:10,133 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-04 06:17:10,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609264859] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:17:10,133 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:17:10,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 11] total 31 [2023-05-04 06:17:10,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786492038] [2023-05-04 06:17:10,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:17:10,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-05-04 06:17:10,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:10,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-05-04 06:17:10,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2023-05-04 06:17:10,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:10,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:10,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 6.774193548387097) internal successors, (210), 31 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:17:10,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:17:10,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:17:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:17:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:17:11,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 06:17:11,473 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 [2023-05-04 06:17:11,473 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:11,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:11,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1068165464, now seen corresponding path program 6 times [2023-05-04 06:17:11,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:11,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113063519] [2023-05-04 06:17:11,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:11,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:17:13,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:13,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113063519] [2023-05-04 06:17:13,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113063519] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:17:13,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178812637] [2023-05-04 06:17:13,650 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 06:17:13,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:17:13,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:17:13,651 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:17:13,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 06:17:13,776 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-05-04 06:17:13,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:17:13,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 128 conjunts are in the unsatisfiable core [2023-05-04 06:17:13,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:17:14,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 06:17:14,837 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 06:17:15,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:17:15,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 06:17:15,724 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:17:15,724 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 18 [2023-05-04 06:17:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:17:15,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:17:38,259 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thread1Thread1of1ForFork0_~i~0#1_39| Int) (|v_thread2Thread1of1ForFork1_~i~1#1_39| Int) (v_ArrVal_251 (Array Int Int))) (or (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_251) c_~A~0.base))) (= (+ (select .cse0 c_~A~0.offset) (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 (+ c_~A~0.offset (* 4 |v_thread2Thread1of1ForFork1_~i~1#1_39|)))) (let ((.cse1 (* |c_thread1Thread1of1ForFork0_~i~0#1| 4))) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse1)) (select .cse0 (+ c_~A~0.offset (* |v_thread1Thread1of1ForFork0_~i~0#1_39| 4))) c_~counter~0 (select .cse0 (+ c_~A~0.offset .cse1 4)))))) (< (+ |v_thread1Thread1of1ForFork0_~i~0#1_39| 1) c_~N~0) (< |v_thread2Thread1of1ForFork1_~i~1#1_39| 2) (not (< |v_thread1Thread1of1ForFork0_~i~0#1_39| c_~N~0)) (not (< |v_thread2Thread1of1ForFork1_~i~1#1_39| c_~N~0)))) is different from false [2023-05-04 06:17:40,330 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thread1Thread1of1ForFork0_~i~0#1_39| Int) (|v_thread2Thread1of1ForFork1_~i~1#1_39| Int) (v_ArrVal_251 (Array Int Int))) (or (< (+ |v_thread1Thread1of1ForFork0_~i~0#1_39| 1) c_~N~0) (< |v_thread2Thread1of1ForFork1_~i~1#1_39| 2) (not (< |v_thread1Thread1of1ForFork0_~i~0#1_39| c_~N~0)) (not (< |v_thread2Thread1of1ForFork1_~i~1#1_39| c_~N~0)) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_251) c_~A~0.base))) (= (+ (select .cse0 c_~A~0.offset) (select .cse0 (+ c_~A~0.offset (* 4 |v_thread2Thread1of1ForFork1_~i~1#1_39|)))) (+ (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) (select .cse0 (+ c_~A~0.offset (* |v_thread1Thread1of1ForFork0_~i~0#1_39| 4))) c_~counter~0))))) is different from false [2023-05-04 06:17:42,371 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thread1Thread1of1ForFork0_~i~0#1_39| Int) (|v_thread2Thread1of1ForFork1_~i~1#1_39| Int) (v_ArrVal_250 (Array Int Int)) (v_ArrVal_251 (Array Int Int))) (or (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_250))) (let ((.cse1 (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_251) c_~A~0.base))) (= (+ (select (select .cse0 c_~A~0.base) c_~A~0.offset) c_~counter~0 (select .cse1 (+ c_~A~0.offset (* |v_thread1Thread1of1ForFork0_~i~0#1_39| 4)))) (+ (select .cse1 (+ c_~A~0.offset (* 4 |v_thread2Thread1of1ForFork1_~i~1#1_39|))) (select .cse1 c_~A~0.offset))))) (< (+ |v_thread1Thread1of1ForFork0_~i~0#1_39| 1) c_~N~0) (< |v_thread2Thread1of1ForFork1_~i~1#1_39| 2) (not (< |v_thread1Thread1of1ForFork0_~i~0#1_39| c_~N~0)) (not (< |v_thread2Thread1of1ForFork1_~i~1#1_39| c_~N~0)))) is different from false [2023-05-04 06:17:44,458 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thread1Thread1of1ForFork0_~i~0#1_39| Int) (|v_thread2Thread1of1ForFork1_~i~1#1_39| Int) (v_ArrVal_250 (Array Int Int)) (v_ArrVal_251 (Array Int Int))) (or (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_250))) (let ((.cse0 (select (store .cse1 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_251) |c_ULTIMATE.start_main_#t~ret8#1.base|))) (= (+ (select .cse0 (+ |c_ULTIMATE.start_main_#t~ret8#1.offset| (* 4 |v_thread2Thread1of1ForFork1_~i~1#1_39|))) (select .cse0 |c_ULTIMATE.start_main_#t~ret8#1.offset|)) (+ (select .cse0 (+ |c_ULTIMATE.start_main_#t~ret8#1.offset| (* |v_thread1Thread1of1ForFork0_~i~0#1_39| 4))) (select (select .cse1 |c_ULTIMATE.start_main_#t~ret8#1.base|) |c_ULTIMATE.start_main_#t~ret8#1.offset|) c_~counter~0)))) (< (+ |v_thread1Thread1of1ForFork0_~i~0#1_39| 1) c_~N~0) (< |v_thread2Thread1of1ForFork1_~i~1#1_39| 2) (not (< |v_thread1Thread1of1ForFork0_~i~0#1_39| c_~N~0)) (not (< |v_thread2Thread1of1ForFork1_~i~1#1_39| c_~N~0)))) is different from false [2023-05-04 06:17:46,498 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thread1Thread1of1ForFork0_~i~0#1_39| Int) (|v_thread2Thread1of1ForFork1_~i~1#1_39| Int) (v_ArrVal_250 (Array Int Int)) (v_ArrVal_251 (Array Int Int))) (or (< (+ |v_thread1Thread1of1ForFork0_~i~0#1_39| 1) c_~N~0) (< |v_thread2Thread1of1ForFork1_~i~1#1_39| 2) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_250))) (let ((.cse1 (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_251) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (= (+ (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) (select .cse1 (+ (* |v_thread1Thread1of1ForFork0_~i~0#1_39| 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) c_~counter~0) (+ (select .cse1 (+ |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| (* 4 |v_thread2Thread1of1ForFork1_~i~1#1_39|))) (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))))) (not (< |v_thread1Thread1of1ForFork0_~i~0#1_39| c_~N~0)) (not (< |v_thread2Thread1of1ForFork1_~i~1#1_39| c_~N~0)))) is different from false [2023-05-04 06:17:48,523 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thread1Thread1of1ForFork0_~i~0#1_39| Int) (|v_thread2Thread1of1ForFork1_~i~1#1_39| Int) (v_ArrVal_250 (Array Int Int)) (v_ArrVal_251 (Array Int Int))) (or (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_250))) (let ((.cse0 (select (store .cse1 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_251) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (= (+ (select .cse0 (+ (* 4 |v_thread2Thread1of1ForFork1_~i~1#1_39|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (+ (select .cse0 (+ (* |v_thread1Thread1of1ForFork0_~i~0#1_39| 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~counter~0 (select (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))) (< (+ |v_thread1Thread1of1ForFork0_~i~0#1_39| 1) c_~N~0) (< |v_thread2Thread1of1ForFork1_~i~1#1_39| 2) (not (< |v_thread1Thread1of1ForFork0_~i~0#1_39| c_~N~0)) (not (< |v_thread2Thread1of1ForFork1_~i~1#1_39| c_~N~0)))) is different from false [2023-05-04 06:17:48,981 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:17:48,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 66 [2023-05-04 06:17:48,998 INFO L356 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2023-05-04 06:17:48,998 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 264 treesize of output 228 [2023-05-04 06:17:49,013 INFO L356 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2023-05-04 06:17:49,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 216 treesize of output 172 [2023-05-04 06:17:49,037 INFO L356 Elim1Store]: treesize reduction 21, result has 36.4 percent of original size [2023-05-04 06:17:49,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 160 treesize of output 140 [2023-05-04 06:17:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2023-05-04 06:17:50,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178812637] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:17:50,209 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:17:50,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 42, 42] total 113 [2023-05-04 06:17:50,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266592284] [2023-05-04 06:17:50,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:17:50,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2023-05-04 06:17:50,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:50,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2023-05-04 06:17:50,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=10685, Unknown=15, NotChecked=1290, Total=12656 [2023-05-04 06:17:50,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:50,214 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:50,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 2.9557522123893807) internal successors, (334), 113 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:50,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:50,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:50,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:50,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:50,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:50,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:17:50,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:50,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:50,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:17:50,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:17:50,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:17:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:17:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:17:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:17:52,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 06:17:52,624 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 [2023-05-04 06:17:52,624 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:52,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:52,624 INFO L85 PathProgramCache]: Analyzing trace with hash -533984511, now seen corresponding path program 7 times [2023-05-04 06:17:52,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:52,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946814622] [2023-05-04 06:17:52,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:52,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:52,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:52,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946814622] [2023-05-04 06:17:52,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946814622] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:17:52,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485224589] [2023-05-04 06:17:52,962 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 06:17:52,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:17:52,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:17:52,981 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:17:52,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 06:17:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:53,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-04 06:17:53,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:17:53,423 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 38 proven. 43 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:53,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:17:53,787 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 51 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:17:53,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485224589] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:17:53,787 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:17:53,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2023-05-04 06:17:53,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795118331] [2023-05-04 06:17:53,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:17:53,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-04 06:17:53,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:17:53,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-04 06:17:53,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=1575, Unknown=0, NotChecked=0, Total=1892 [2023-05-04 06:17:53,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:53,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:17:53,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.431818181818182) internal successors, (239), 44 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:17:53,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:53,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:53,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:53,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:53,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:53,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:17:53,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:53,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:53,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:17:53,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:17:53,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:17:53,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:17:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:17:54,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:17:54,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:54,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:17:54,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:17:54,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:17:54,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:17:54,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:17:54,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-04 06:17:54,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-04 06:17:54,681 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:17:54,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:17:54,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1148532491, now seen corresponding path program 8 times [2023-05-04 06:17:54,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:17:54,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878574426] [2023-05-04 06:17:54,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:17:54,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:17:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:17:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:17:57,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:17:57,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878574426] [2023-05-04 06:17:57,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878574426] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:17:57,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343018132] [2023-05-04 06:17:57,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:17:57,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:17:57,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:17:57,843 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:17:57,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-04 06:17:57,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:17:57,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:17:57,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 158 conjunts are in the unsatisfiable core [2023-05-04 06:17:57,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:17:58,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:17:58,863 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 06:17:59,813 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 06:17:59,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:18:01,008 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_324 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_324) c_~A~0.base))) (= (+ (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 c_~A~0.offset) (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 (+ c_~A~0.offset 12))) (let ((.cse1 (* |c_thread1Thread1of1ForFork0_~i~0#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 4)) c_~counter~0 (select .cse0 (+ c_~A~0.offset .cse1 8)) (select .cse0 (+ c_~A~0.offset .cse1))))))) is different from false [2023-05-04 06:18:01,014 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_324 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_324) c_~A~0.base))) (= (let ((.cse1 (* |c_thread1Thread1of1ForFork0_#t~post1#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset .cse1 4)) c_~counter~0 (select .cse0 (+ c_~A~0.offset .cse1 8)))) (+ (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 c_~A~0.offset) (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 (+ c_~A~0.offset 12)))))) is different from false [2023-05-04 06:18:01,322 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:18:01,322 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 134 treesize of output 241 [2023-05-04 06:18:01,386 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:18:01,387 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 51 treesize of output 149 [2023-05-04 06:18:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 46 trivial. 3 not checked. [2023-05-04 06:18:03,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343018132] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:18:03,129 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:18:03,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 38, 33] total 108 [2023-05-04 06:18:03,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782959856] [2023-05-04 06:18:03,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:18:03,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2023-05-04 06:18:03,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:18:03,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2023-05-04 06:18:03,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=10723, Unknown=36, NotChecked=418, Total=11556 [2023-05-04 06:18:03,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:03,136 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:18:03,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 3.240740740740741) internal successors, (350), 108 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:18:03,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:03,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:03,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:03,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:03,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:03,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:18:03,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:03,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:03,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:03,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:18:03,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:03,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:03,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:09,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:09,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:09,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:09,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:09,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:09,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:18:09,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:09,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:09,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:09,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:18:09,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:09,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:09,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:18:09,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-04 06:18:09,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-04 06:18:09,529 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:18:09,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:18:09,531 INFO L85 PathProgramCache]: Analyzing trace with hash 378764964, now seen corresponding path program 9 times [2023-05-04 06:18:09,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:18:09,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654258472] [2023-05-04 06:18:09,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:18:09,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:18:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:18:09,944 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 61 proven. 97 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 06:18:09,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:18:09,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654258472] [2023-05-04 06:18:09,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654258472] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:18:09,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856733830] [2023-05-04 06:18:09,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:18:09,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:18:09,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:18:09,953 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:18:09,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-04 06:18:10,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-04 06:18:10,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:18:10,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 06:18:10,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:18:10,646 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 90 proven. 68 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 06:18:10,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:18:11,143 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 107 proven. 51 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 06:18:11,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856733830] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:18:11,143 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:18:11,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2023-05-04 06:18:11,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046330555] [2023-05-04 06:18:11,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:18:11,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-04 06:18:11,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:18:11,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-04 06:18:11,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2406, Unknown=0, NotChecked=0, Total=2862 [2023-05-04 06:18:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:11,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:18:11,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.148148148148148) internal successors, (278), 54 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:18:11,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:18:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:18:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:18:11,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:11,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-04 06:18:12,068 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 [2023-05-04 06:18:12,069 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:18:12,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:18:12,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1866512742, now seen corresponding path program 10 times [2023-05-04 06:18:12,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:18:12,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572842567] [2023-05-04 06:18:12,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:18:12,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:18:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:18:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 27 proven. 131 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 06:18:12,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:18:12,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572842567] [2023-05-04 06:18:12,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572842567] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:18:12,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437243111] [2023-05-04 06:18:12,432 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:18:12,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:18:12,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:18:12,434 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) [2023-05-04 06:18:12,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-04 06:18:12,520 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:18:12,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:18:12,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 06:18:12,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:18:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 46 proven. 112 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 06:18:13,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:18:13,555 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 75 proven. 83 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 06:18:13,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437243111] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:18:13,556 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:18:13,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2023-05-04 06:18:13,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224365302] [2023-05-04 06:18:13,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:18:13,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-04 06:18:13,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:18:13,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-04 06:18:13,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2406, Unknown=0, NotChecked=0, Total=2862 [2023-05-04 06:18:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:13,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:18:13,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.481481481481482) internal successors, (296), 54 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:18:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:18:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:18:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:14,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-04 06:18:14,659 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 [2023-05-04 06:18:14,659 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:18:14,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:18:14,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1879821514, now seen corresponding path program 11 times [2023-05-04 06:18:14,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:18:14,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209538128] [2023-05-04 06:18:14,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:18:14,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:18:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:18:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 3 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:18:18,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:18:18,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209538128] [2023-05-04 06:18:18,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209538128] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:18:18,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959558196] [2023-05-04 06:18:18,872 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 06:18:18,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:18:18,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:18:18,874 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) [2023-05-04 06:18:18,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-04 06:18:19,068 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-04 06:18:19,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:18:19,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 189 conjunts are in the unsatisfiable core [2023-05-04 06:18:19,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:18:19,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 06:18:19,171 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 06:18:19,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 06:18:19,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 06:18:21,374 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 06:18:21,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:18:23,814 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_446 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_446) c_~A~0.base))) (= (+ (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 (+ c_~A~0.offset 12)) (select .cse0 (+ c_~A~0.offset 16)) (select .cse0 c_~A~0.offset)) (let ((.cse1 (* |c_thread1Thread1of1ForFork0_~i~0#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~counter~0 (select .cse0 (+ c_~A~0.offset .cse1)) (select .cse0 (+ c_~A~0.offset .cse1 4))))))) is different from false [2023-05-04 06:18:23,821 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_446 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_446) c_~A~0.base))) (= (let ((.cse1 (* |c_thread1Thread1of1ForFork0_#t~post1#1| 4))) (+ (select .cse0 (+ c_~A~0.offset 16 .cse1)) c_~counter~0 (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 8)))) (+ (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 (+ c_~A~0.offset 12)) (select .cse0 (+ c_~A~0.offset 16)) (select .cse0 c_~A~0.offset))))) is different from false [2023-05-04 06:18:23,830 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_446 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_446) c_~A~0.base))) (= (let ((.cse1 (* |c_thread1Thread1of1ForFork0_~i~0#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 16)) (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~counter~0 (select .cse0 (+ c_~A~0.offset .cse1 4)))) (+ (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 (+ c_~A~0.offset 12)) (select .cse0 (+ c_~A~0.offset 16)) (select .cse0 c_~A~0.offset))))) is different from false [2023-05-04 06:18:23,978 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:18:23,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 164 treesize of output 354 [2023-05-04 06:18:24,108 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:18:24,108 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 64 treesize of output 239 [2023-05-04 06:18:27,611 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 75 trivial. 8 not checked. [2023-05-04 06:18:27,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959558196] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:18:27,612 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:18:27,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 38, 39] total 122 [2023-05-04 06:18:27,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413794202] [2023-05-04 06:18:27,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:18:27,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2023-05-04 06:18:27,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:18:27,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2023-05-04 06:18:27,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=423, Invalid=13628, Unknown=3, NotChecked=708, Total=14762 [2023-05-04 06:18:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:27,616 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:18:27,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 3.0491803278688523) internal successors, (372), 122 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:18:27,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:27,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:27,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:27,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:27,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:27,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:18:27,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:27,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:27,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:27,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:18:27,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:27,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:27,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:18:27,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:27,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:27,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:37,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:37,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:37,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:37,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:18:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:18:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:18:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:37,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:18:37,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-05-04 06:18:37,313 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 [2023-05-04 06:18:37,313 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:18:37,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:18:37,313 INFO L85 PathProgramCache]: Analyzing trace with hash -766080431, now seen corresponding path program 12 times [2023-05-04 06:18:37,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:18:37,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312851871] [2023-05-04 06:18:37,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:18:37,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:18:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:18:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 97 proven. 140 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 06:18:37,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:18:37,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312851871] [2023-05-04 06:18:37,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312851871] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:18:37,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728531081] [2023-05-04 06:18:37,879 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 06:18:37,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:18:37,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:18:37,881 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) [2023-05-04 06:18:37,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-04 06:18:38,093 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-05-04 06:18:38,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:18:38,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-04 06:18:38,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:18:38,695 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 53 proven. 83 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-05-04 06:18:38,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:18:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 29 proven. 100 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-05-04 06:18:39,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728531081] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:18:39,140 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:18:39,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 20] total 65 [2023-05-04 06:18:39,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047972371] [2023-05-04 06:18:39,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:18:39,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-05-04 06:18:39,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:18:39,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-05-04 06:18:39,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=3897, Unknown=0, NotChecked=0, Total=4160 [2023-05-04 06:18:39,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:39,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:18:39,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 4.892307692307693) internal successors, (318), 65 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:18:39,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:39,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:39,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:39,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:39,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:39,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:18:39,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:39,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:39,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:39,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:18:39,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:39,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:39,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:18:39,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:39,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:39,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:18:39,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:18:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:18:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:18:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:18:42,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-04 06:18:42,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-05-04 06:18:42,891 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 [2023-05-04 06:18:42,892 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:18:42,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:18:42,892 INFO L85 PathProgramCache]: Analyzing trace with hash -512828539, now seen corresponding path program 13 times [2023-05-04 06:18:42,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:18:42,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880553610] [2023-05-04 06:18:42,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:18:42,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:18:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:18:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 50 proven. 190 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 06:18:43,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:18:43,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880553610] [2023-05-04 06:18:43,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880553610] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:18:43,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896283547] [2023-05-04 06:18:43,371 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 06:18:43,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:18:43,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:18:43,372 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:18:43,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-04 06:18:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:18:43,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-04 06:18:43,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:18:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 75 proven. 165 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 06:18:44,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:18:44,672 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 111 proven. 129 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 06:18:44,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896283547] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:18:44,672 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:18:44,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2023-05-04 06:18:44,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236696857] [2023-05-04 06:18:44,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:18:44,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-05-04 06:18:44,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:18:44,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-05-04 06:18:44,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=3411, Unknown=0, NotChecked=0, Total=4032 [2023-05-04 06:18:44,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:44,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:18:44,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 5.265625) internal successors, (337), 64 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:18:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:18:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:18:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:44,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:18:44,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:44,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:44,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:18:44,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-04 06:18:44,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:45,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:18:45,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:45,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-04 06:18:45,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:18:45,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-05-04 06:18:46,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-04 06:18:46,024 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:18:46,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:18:46,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1927543083, now seen corresponding path program 14 times [2023-05-04 06:18:46,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:18:46,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317854134] [2023-05-04 06:18:46,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:18:46,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:18:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:18:50,638 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 1 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:18:50,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:18:50,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317854134] [2023-05-04 06:18:50,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317854134] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:18:50,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085849809] [2023-05-04 06:18:50,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:18:50,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:18:50,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:18:50,640 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:18:50,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-04 06:18:50,776 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:18:50,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:18:50,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 230 conjunts are in the unsatisfiable core [2023-05-04 06:18:50,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:18:52,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:18:52,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 06:18:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 271 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 06:18:53,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:18:57,891 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_579 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_579) c_~A~0.base))) (= (+ (select .cse0 (+ c_~A~0.offset 16)) (select .cse0 (+ c_~A~0.offset 20)) (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 (+ c_~A~0.offset 12)) (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 c_~A~0.offset)) (let ((.cse1 (* |c_thread1Thread1of1ForFork0_~i~0#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 20)) (select .cse0 (+ c_~A~0.offset .cse1 12)) c_~counter~0 (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 16)) (select .cse0 (+ c_~A~0.offset .cse1 8))))))) is different from false [2023-05-04 06:18:58,137 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:18:58,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 194 treesize of output 489 [2023-05-04 06:18:58,367 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:18:58,367 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 77 treesize of output 351 [2023-05-04 06:19:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 111 trivial. 5 not checked. [2023-05-04 06:19:06,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085849809] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:19:06,048 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:19:06,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 54, 45] total 149 [2023-05-04 06:19:06,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012839505] [2023-05-04 06:19:06,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:19:06,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2023-05-04 06:19:06,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:19:06,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2023-05-04 06:19:06,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=548, Invalid=21153, Unknown=59, NotChecked=292, Total=22052 [2023-05-04 06:19:06,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:06,053 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:19:06,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 2.9328859060402683) internal successors, (437), 149 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:19:06,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:16,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:16,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-04 06:19:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:19:16,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:19:16,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-04 06:19:16,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:19:16,825 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:19:16,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:19:16,825 INFO L85 PathProgramCache]: Analyzing trace with hash 666994158, now seen corresponding path program 15 times [2023-05-04 06:19:16,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:19:16,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557561373] [2023-05-04 06:19:16,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:19:16,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:19:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:19:17,415 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 145 proven. 186 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-04 06:19:17,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:19:17,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557561373] [2023-05-04 06:19:17,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557561373] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:19:17,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916451597] [2023-05-04 06:19:17,415 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:19:17,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:19:17,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:19:17,425 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:19:17,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-04 06:19:17,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2023-05-04 06:19:17,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:19:17,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 48 conjunts are in the unsatisfiable core [2023-05-04 06:19:17,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:19:18,489 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 192 proven. 139 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-04 06:19:18,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:19:19,463 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 162 proven. 184 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:19:19,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916451597] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:19:19,472 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:19:19,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 38] total 81 [2023-05-04 06:19:19,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631980153] [2023-05-04 06:19:19,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:19:19,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2023-05-04 06:19:19,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:19:19,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2023-05-04 06:19:19,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=828, Invalid=5652, Unknown=0, NotChecked=0, Total=6480 [2023-05-04 06:19:19,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:19,491 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:19:19,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 4.493827160493828) internal successors, (364), 81 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:19:19,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:21,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:21,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:21,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:21,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:21,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:21,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:19:21,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:19:21,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:19:21,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:19:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:19:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:19:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:19:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:19:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:19:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:19:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:19:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:19:21,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2023-05-04 06:19:21,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-05-04 06:19:22,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:19:22,101 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:19:22,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:19:22,102 INFO L85 PathProgramCache]: Analyzing trace with hash -2002630728, now seen corresponding path program 16 times [2023-05-04 06:19:22,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:19:22,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868482411] [2023-05-04 06:19:22,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:19:22,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:19:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:19:22,750 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 80 proven. 258 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:19:22,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:19:22,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868482411] [2023-05-04 06:19:22,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868482411] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:19:22,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052494686] [2023-05-04 06:19:22,750 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:19:22,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:19:22,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:19:22,751 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:19:22,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-04 06:19:22,857 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:19:22,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:19:22,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-04 06:19:22,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:19:23,674 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 111 proven. 227 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:19:23,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:19:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 154 proven. 184 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 06:19:24,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052494686] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:19:24,175 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:19:24,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 74 [2023-05-04 06:19:24,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643468918] [2023-05-04 06:19:24,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:19:24,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2023-05-04 06:19:24,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:19:24,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2023-05-04 06:19:24,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=812, Invalid=4590, Unknown=0, NotChecked=0, Total=5402 [2023-05-04 06:19:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:24,177 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:19:24,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 5.027027027027027) internal successors, (372), 74 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:19:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:19:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:19:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:19:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2023-05-04 06:19:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:25,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:19:25,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:19:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2023-05-04 06:19:25,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-04 06:19:25,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-05-04 06:19:25,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:19:25,537 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 06:19:25,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:19:25,538 INFO L85 PathProgramCache]: Analyzing trace with hash -168086312, now seen corresponding path program 17 times [2023-05-04 06:19:25,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:19:25,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711466765] [2023-05-04 06:19:25,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:19:25,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:19:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:19:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 2 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:19:30,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:19:30,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711466765] [2023-05-04 06:19:30,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711466765] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:19:30,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152832794] [2023-05-04 06:19:30,736 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 06:19:30,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:19:30,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:19:30,738 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:19:30,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-05-04 06:19:30,958 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-05-04 06:19:30,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:19:30,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 253 conjunts are in the unsatisfiable core [2023-05-04 06:19:30,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:19:30,975 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 06:19:31,008 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 06:19:31,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 06:19:31,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 06:19:33,731 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-04 06:19:33,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:19:38,301 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_725 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_725) c_~A~0.base))) (= (let ((.cse1 (* |c_thread1Thread1of1ForFork0_~i~0#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 24)) (select .cse0 (+ c_~A~0.offset .cse1 16)) c_~counter~0 (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 8)) (select .cse0 (+ c_~A~0.offset .cse1 20)))) (+ (select .cse0 (+ c_~A~0.offset 8)) (select .cse0 c_~A~0.offset) (select .cse0 (+ c_~A~0.offset 16)) (select .cse0 (+ c_~A~0.offset 4)) (select .cse0 (+ c_~A~0.offset 24)) (select .cse0 (+ c_~A~0.offset 12)) (select .cse0 (+ c_~A~0.offset 20)))))) is different from false [2023-05-04 06:19:38,651 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:19:38,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 224 treesize of output 646 [2023-05-04 06:19:39,101 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:19:39,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 90 treesize of output 485 [2023-05-04 06:19:56,262 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2023-05-04 06:19:56,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-05-04 06:19:56,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-05-04 06:19:56,477 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-04 06:19:56,480 INFO L158 Benchmark]: Toolchain (without parser) took 177014.65ms. Allocated memory was 215.0MB in the beginning and 936.4MB in the end (delta: 721.4MB). Free memory was 182.8MB in the beginning and 747.3MB in the end (delta: -564.5MB). Peak memory consumption was 624.6MB. Max. memory is 8.0GB. [2023-05-04 06:19:56,480 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 215.0MB. Free memory is still 169.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 06:19:56,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.44ms. Allocated memory was 215.0MB in the beginning and 339.7MB in the end (delta: 124.8MB). Free memory was 182.5MB in the beginning and 305.8MB in the end (delta: -123.2MB). Peak memory consumption was 6.5MB. Max. memory is 8.0GB. [2023-05-04 06:19:56,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.00ms. Allocated memory is still 339.7MB. Free memory was 305.6MB in the beginning and 303.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 06:19:56,480 INFO L158 Benchmark]: Boogie Preprocessor took 29.87ms. Allocated memory is still 339.7MB. Free memory was 303.7MB in the beginning and 302.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 06:19:56,480 INFO L158 Benchmark]: RCFGBuilder took 492.34ms. Allocated memory is still 339.7MB. Free memory was 302.0MB in the beginning and 275.8MB in the end (delta: 26.3MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-05-04 06:19:56,480 INFO L158 Benchmark]: TraceAbstraction took 176155.72ms. Allocated memory was 339.7MB in the beginning and 936.4MB in the end (delta: 596.6MB). Free memory was 274.8MB in the beginning and 747.3MB in the end (delta: -472.6MB). Peak memory consumption was 592.9MB. Max. memory is 8.0GB. [2023-05-04 06:19:56,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 215.0MB. Free memory is still 169.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 290.44ms. Allocated memory was 215.0MB in the beginning and 339.7MB in the end (delta: 124.8MB). Free memory was 182.5MB in the beginning and 305.8MB in the end (delta: -123.2MB). Peak memory consumption was 6.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.00ms. Allocated memory is still 339.7MB. Free memory was 305.6MB in the beginning and 303.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.87ms. Allocated memory is still 339.7MB. Free memory was 303.7MB in the beginning and 302.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 492.34ms. Allocated memory is still 339.7MB. Free memory was 302.0MB in the beginning and 275.8MB in the end (delta: 26.3MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 176155.72ms. Allocated memory was 339.7MB in the beginning and 936.4MB in the end (delta: 596.6MB). Free memory was 274.8MB in the beginning and 747.3MB in the end (delta: -472.6MB). Peak memory consumption was 592.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-04 06:19:56,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 06:19:56,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...