/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 GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 07:57:03,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 07:57:03,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 07:57:03,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 07:57:03,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 07:57:03,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 07:57:03,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 07:57:03,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 07:57:03,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 07:57:03,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 07:57:03,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 07:57:03,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 07:57:03,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 07:57:03,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 07:57:03,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 07:57:03,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 07:57:03,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 07:57:03,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 07:57:03,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 07:57:03,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 07:57:03,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 07:57:03,407 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 07:57:03,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 07:57:03,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 07:57:03,407 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 07:57:03,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 07:57:03,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 07:57:03,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 07:57:03,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 07:57:03,409 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 07:57:03,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 07:57:03,409 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 07:57:03,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 07:57:03,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 07:57:03,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 07:57:03,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 07:57:03,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 07:57:03,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 07:57:03,410 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 07:57:03,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 07:57:03,410 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 07:57:03,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 07:57:03,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 07:57:03,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 07:57:03,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 07:57:03,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 07:57:03,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 07:57:03,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 07:57:03,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 07:57:03,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 07:57:03,411 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 07:57:03,411 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 07:57:03,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 07:57:03,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 07:57:03,411 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 07:57:03,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 07:57:03,412 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 07:57:03,412 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 07:57:03,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 07:57:03,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 07:57:03,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 07:57:03,626 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 07:57:03,627 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 07:57:03,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i [2023-05-04 07:57:03,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8319db75c/deb79b3675b441d5877f5ee9a518c284/FLAGe92cfbe5c [2023-05-04 07:57:04,132 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 07:57:04,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i [2023-05-04 07:57:04,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8319db75c/deb79b3675b441d5877f5ee9a518c284/FLAGe92cfbe5c [2023-05-04 07:57:04,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8319db75c/deb79b3675b441d5877f5ee9a518c284 [2023-05-04 07:57:04,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 07:57:04,163 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 07:57:04,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 07:57:04,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 07:57:04,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 07:57:04,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:57:04" (1/1) ... [2023-05-04 07:57:04,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544f380f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04, skipping insertion in model container [2023-05-04 07:57:04,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:57:04" (1/1) ... [2023-05-04 07:57:04,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 07:57:04,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 07:57:04,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2023-05-04 07:57:04,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 07:57:04,496 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 07:57:04,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2023-05-04 07:57:04,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 07:57:04,562 INFO L208 MainTranslator]: Completed translation [2023-05-04 07:57:04,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04 WrapperNode [2023-05-04 07:57:04,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 07:57:04,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 07:57:04,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 07:57:04,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 07:57:04,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04" (1/1) ... [2023-05-04 07:57:04,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04" (1/1) ... [2023-05-04 07:57:04,608 INFO L138 Inliner]: procedures = 171, calls = 26, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 83 [2023-05-04 07:57:04,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 07:57:04,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 07:57:04,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 07:57:04,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 07:57:04,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04" (1/1) ... [2023-05-04 07:57:04,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04" (1/1) ... [2023-05-04 07:57:04,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04" (1/1) ... [2023-05-04 07:57:04,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04" (1/1) ... [2023-05-04 07:57:04,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04" (1/1) ... [2023-05-04 07:57:04,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04" (1/1) ... [2023-05-04 07:57:04,629 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04" (1/1) ... [2023-05-04 07:57:04,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04" (1/1) ... [2023-05-04 07:57:04,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 07:57:04,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 07:57:04,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 07:57:04,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 07:57:04,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04" (1/1) ... [2023-05-04 07:57:04,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 07:57:04,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:57:04,660 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 07:57:04,665 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 07:57:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 07:57:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-05-04 07:57:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-05-04 07:57:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 07:57:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 07:57:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 07:57:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 07:57:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 07:57:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 07:57:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 07:57:04,699 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 07:57:04,845 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 07:57:04,846 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 07:57:05,001 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 07:57:05,042 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 07:57:05,042 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 07:57:05,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:57:05 BoogieIcfgContainer [2023-05-04 07:57:05,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 07:57:05,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 07:57:05,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 07:57:05,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 07:57:05,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:57:04" (1/3) ... [2023-05-04 07:57:05,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312bf3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:57:05, skipping insertion in model container [2023-05-04 07:57:05,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:57:04" (2/3) ... [2023-05-04 07:57:05,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312bf3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:57:05, skipping insertion in model container [2023-05-04 07:57:05,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:57:05" (3/3) ... [2023-05-04 07:57:05,053 INFO L112 eAbstractionObserver]: Analyzing ICFG 37_stack_lock_p0_vs_concur.i [2023-05-04 07:57:05,059 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 07:57:05,067 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 07:57:05,067 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 07:57:05,067 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 07:57:05,119 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 07:57:05,159 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:57:05,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 07:57:05,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:57:05,165 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 07:57:05,166 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 07:57:05,190 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 07:57:05,215 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2023-05-04 07:57:05,219 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;@760000ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:57:05,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-04 07:57:05,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:57:05,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:57:05,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1216861300, now seen corresponding path program 1 times [2023-05-04 07:57:05,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:57:05,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303913931] [2023-05-04 07:57:05,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:57:05,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:57:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:57:05,601 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 07:57:05,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:57:05,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303913931] [2023-05-04 07:57:05,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303913931] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:57:05,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:57:05,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 07:57:05,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774544161] [2023-05-04 07:57:05,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:57:05,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 07:57:05,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:57:05,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 07:57:05,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 07:57:05,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:05,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:57:05,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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 07:57:05,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:05,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:05,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 07:57:05,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:57:05,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:57:05,646 INFO L85 PathProgramCache]: Analyzing trace with hash 403105695, now seen corresponding path program 1 times [2023-05-04 07:57:05,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:57:05,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228512503] [2023-05-04 07:57:05,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:57:05,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:57:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:57:05,761 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 07:57:05,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:57:05,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228512503] [2023-05-04 07:57:05,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228512503] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:57:05,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:57:05,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 07:57:05,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594849592] [2023-05-04 07:57:05,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:57:05,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 07:57:05,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:57:05,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 07:57:05,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 07:57:05,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:05,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:57:05,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 07:57:05,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:05,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:05,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:05,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:57:05,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 07:57:05,851 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:57:05,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:57:05,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2118060488, now seen corresponding path program 1 times [2023-05-04 07:57:05,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:57:05,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264639106] [2023-05-04 07:57:05,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:57:05,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:57:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:57:06,029 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 07:57:06,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:57:06,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264639106] [2023-05-04 07:57:06,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264639106] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:57:06,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:57:06,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 07:57:06,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784963484] [2023-05-04 07:57:06,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:57:06,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 07:57:06,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:57:06,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 07:57:06,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 07:57:06,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:06,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:57:06,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 07:57:06,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:06,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:57:06,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:06,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:57:06,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:57:06,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 07:57:06,264 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:57:06,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:57:06,266 INFO L85 PathProgramCache]: Analyzing trace with hash -2036640699, now seen corresponding path program 1 times [2023-05-04 07:57:06,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:57:06,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414092843] [2023-05-04 07:57:06,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:57:06,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:57:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:57:07,049 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:57:07,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:57:07,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414092843] [2023-05-04 07:57:07,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414092843] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:57:07,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825641510] [2023-05-04 07:57:07,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:57:07,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:57:07,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:57:07,051 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 07:57:07,053 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 07:57:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:57:07,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 33 conjunts are in the unsatisfiable core [2023-05-04 07:57:07,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:57:07,199 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 07:57:07,286 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 07:57:07,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-04 07:57:07,310 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 07:57:07,423 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2023-05-04 07:57:07,481 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 07:57:07,482 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 07:57:07,528 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-04 07:57:07,627 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 07:57:07,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-04 07:57:07,709 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:57:07,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:57:07,860 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (< 64 c_~next_alloc_idx~0))) (and (or (forall ((v_ArrVal_92 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| (store (select |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| c_~next_alloc_idx~0)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_92) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0))) .cse0) (or (forall ((v_ArrVal_92 (Array Int Int)) (v_ArrVal_90 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_ArrVal_90) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_92) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0))) (not .cse0)))) is different from false [2023-05-04 07:57:08,151 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (< 64 c_~next_alloc_idx~0))) (and (or (forall ((|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24| Int) (v_ArrVal_88 Int) (v_ArrVal_92 (Array Int Int)) (v_ArrVal_90 (Array Int Int))) (or (not (= (select (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_ArrVal_88) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0)) (not (= (select (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24| v_ArrVal_90) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_92) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0) 0)))) (not .cse0)) (or .cse0 (forall ((|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24| Int) (v_ArrVal_88 Int) (v_ArrVal_92 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24| (store (select |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0 c_~next_alloc_idx~0)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_92) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0) 0)) (not (= (select (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_ArrVal_88) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0))))))) is different from false [2023-05-04 07:57:08,432 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:57:08,432 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 50 [2023-05-04 07:57:08,458 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 114 treesize of output 104 [2023-05-04 07:57:08,464 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 22 treesize of output 20 [2023-05-04 07:57:08,466 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 20 treesize of output 18 [2023-05-04 07:57:08,475 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:57:08,475 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 21 treesize of output 22 [2023-05-04 07:57:08,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2023-05-04 07:57:08,481 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 22 treesize of output 20 [2023-05-04 07:57:08,494 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 22 treesize of output 20 [2023-05-04 07:57:08,498 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 20 treesize of output 18 [2023-05-04 07:57:08,788 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 7 refuted. 7 times theorem prover too weak. 0 trivial. 18 not checked. [2023-05-04 07:57:08,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825641510] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:57:08,789 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:57:08,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 30 [2023-05-04 07:57:08,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039800680] [2023-05-04 07:57:08,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:57:08,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-04 07:57:08,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:57:08,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-04 07:57:08,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=643, Unknown=11, NotChecked=106, Total=870 [2023-05-04 07:57:08,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:08,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:57:08,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.9) internal successors, (207), 30 states have internal predecessors, (207), 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 07:57:08,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:08,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:57:08,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:57:08,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:09,213 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (< 64 c_~next_alloc_idx~0))) (and (= |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| 0) (or (forall ((|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24| Int) (v_ArrVal_88 Int) (v_ArrVal_92 (Array Int Int)) (v_ArrVal_90 (Array Int Int))) (or (not (= (select (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_ArrVal_88) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0)) (not (= (select (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24| v_ArrVal_90) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_92) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0) 0)))) (not .cse0)) (not (= |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| |c_ULTIMATE.start_main_~#t~0#1.base|)) (or .cse0 (forall ((|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24| Int) (v_ArrVal_88 Int) (v_ArrVal_92 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24| (store (select |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0 c_~next_alloc_idx~0)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_92) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0) 0)) (not (= (select (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_ArrVal_88) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0))))) (= 3 (select (select |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|)))) is different from false [2023-05-04 07:57:09,230 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (< 64 c_~next_alloc_idx~0)) (.cse1 (select (select |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|))) (and (= |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| 0) (or (forall ((|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24| Int) (v_ArrVal_88 Int) (v_ArrVal_92 (Array Int Int)) (v_ArrVal_90 (Array Int Int))) (or (not (= (select (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_ArrVal_88) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0)) (not (= (select (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24| v_ArrVal_90) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_92) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0) 0)))) (not .cse0)) (not (= |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| |c_ULTIMATE.start_main_~#t~0#1.base|)) (or .cse0 (forall ((|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24| Int) (v_ArrVal_88 Int) (v_ArrVal_92 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24| (store (select |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0 c_~next_alloc_idx~0)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_92) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0) 0)) (not (= (select (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_ArrVal_88) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_24|) 0))))) (= 3 .cse1) (= .cse1 |c_thr1Thread1of1ForFork0_push_#t~mem3#1|))) is different from false [2023-05-04 07:57:09,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:57:09,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:57:09,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 07:57:09,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 07:57:09,352 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 07:57:09,549 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 07:57:09,549 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:57:09,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:57:09,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1926902607, now seen corresponding path program 2 times [2023-05-04 07:57:09,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:57:09,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928851005] [2023-05-04 07:57:09,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:57:09,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:57:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:57:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:57:10,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:57:10,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928851005] [2023-05-04 07:57:10,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928851005] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:57:10,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166094596] [2023-05-04 07:57:10,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 07:57:10,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:57:10,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:57:10,813 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 07:57:10,856 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 07:57:10,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 07:57:10,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:57:10,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 76 conjunts are in the unsatisfiable core [2023-05-04 07:57:10,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:57:10,961 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 07:57:11,000 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 07:57:11,000 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-04 07:57:11,031 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-04 07:57:11,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2023-05-04 07:57:11,232 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 07:57:11,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-04 07:57:11,342 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 07:57:11,342 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 27 [2023-05-04 07:57:11,511 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2023-05-04 07:57:11,600 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-05-04 07:57:11,601 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2023-05-04 07:57:11,658 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-05-04 07:57:11,658 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 1 case distinctions, treesize of input 19 treesize of output 22 [2023-05-04 07:57:12,182 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-05-04 07:57:12,182 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2023-05-04 07:57:12,359 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:57:12,359 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 39 treesize of output 43 [2023-05-04 07:57:12,513 INFO L356 Elim1Store]: treesize reduction 68, result has 42.4 percent of original size [2023-05-04 07:57:12,514 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 53 treesize of output 82 [2023-05-04 07:57:13,010 INFO L356 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2023-05-04 07:57:13,011 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 51 treesize of output 81 [2023-05-04 07:57:13,140 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:57:13,140 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 41 treesize of output 49 [2023-05-04 07:57:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:57:13,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:57:13,171 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_195 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_195) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0))) is different from false [2023-05-04 07:57:13,272 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (< 64 c_~next_alloc_idx~0))) (and (or (forall ((v_ArrVal_195 (Array Int Int)) (v_ArrVal_193 Int)) (or (not (= 0 (select (select (store (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| (store (select |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| v_ArrVal_193)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_195) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|))) (= v_ArrVal_193 0))) .cse0) (or (forall ((v_ArrVal_195 (Array Int Int)) (v_ArrVal_194 (Array Int Int))) (or (not (= (select (select (store (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_ArrVal_194) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_195) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0)) (= (select v_ArrVal_194 |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0))) (not .cse0)))) is different from false [2023-05-04 07:57:19,443 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:57:19,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 53 [2023-05-04 07:57:19,448 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:57:19,449 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 1 case distinctions, treesize of input 9 treesize of output 8 [2023-05-04 07:57:19,532 INFO L356 Elim1Store]: treesize reduction 36, result has 61.7 percent of original size [2023-05-04 07:57:19,533 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 389 treesize of output 425 [2023-05-04 07:57:19,551 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 367 treesize of output 359 Received shutdown request... [2023-05-04 08:11:44,335 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 08:11:44,336 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 08:11:44,336 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 08:11:44,434 WARN L249 SmtUtils]: Removed 7074 from assertion stack [2023-05-04 08:11:44,450 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-04 08:11:44,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-04 08:11:44,669 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 08:11:44,669 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 143 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 39201 for 861979ms.. [2023-05-04 08:11:44,673 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-05-04 08:11:44,674 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was TIMEOUT (1/2) [2023-05-04 08:11:44,675 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 08:11:44,675 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 08:11:44,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 08:11:44 BasicIcfg [2023-05-04 08:11:44,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 08:11:44,677 INFO L158 Benchmark]: Toolchain (without parser) took 880514.87ms. Allocated memory was 252.7MB in the beginning and 571.5MB in the end (delta: 318.8MB). Free memory was 221.8MB in the beginning and 377.1MB in the end (delta: -155.4MB). Peak memory consumption was 380.6MB. Max. memory is 8.0GB. [2023-05-04 08:11:44,678 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 166.7MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 08:11:44,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.85ms. Allocated memory is still 252.7MB. Free memory was 221.5MB in the beginning and 212.8MB in the end (delta: 8.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-04 08:11:44,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.21ms. Allocated memory is still 252.7MB. Free memory was 212.8MB in the beginning and 210.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 08:11:44,678 INFO L158 Benchmark]: Boogie Preprocessor took 22.74ms. Allocated memory is still 252.7MB. Free memory was 210.8MB in the beginning and 209.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 08:11:44,678 INFO L158 Benchmark]: RCFGBuilder took 412.00ms. Allocated memory is still 252.7MB. Free memory was 209.4MB in the beginning and 191.9MB in the end (delta: 17.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-05-04 08:11:44,678 INFO L158 Benchmark]: TraceAbstraction took 879631.09ms. Allocated memory was 252.7MB in the beginning and 571.5MB in the end (delta: 318.8MB). Free memory was 190.5MB in the beginning and 377.1MB in the end (delta: -186.6MB). Peak memory consumption was 350.8MB. Max. memory is 8.0GB. [2023-05-04 08:11:44,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 166.7MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 397.85ms. Allocated memory is still 252.7MB. Free memory was 221.5MB in the beginning and 212.8MB in the end (delta: 8.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.21ms. Allocated memory is still 252.7MB. Free memory was 212.8MB in the beginning and 210.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.74ms. Allocated memory is still 252.7MB. Free memory was 210.8MB in the beginning and 209.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 412.00ms. Allocated memory is still 252.7MB. Free memory was 209.4MB in the beginning and 191.9MB in the end (delta: 17.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 879631.09ms. Allocated memory was 252.7MB in the beginning and 571.5MB in the end (delta: 318.8MB). Free memory was 190.5MB in the beginning and 377.1MB in the end (delta: -186.6MB). Peak memory consumption was 350.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2471, independent: 1984, independent conditional: 464, independent unconditional: 1520, dependent: 487, dependent conditional: 466, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2007, independent: 1984, independent conditional: 464, independent unconditional: 1520, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2007, independent: 1984, independent conditional: 464, independent unconditional: 1520, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2009, independent: 1984, independent conditional: 0, independent unconditional: 1984, dependent: 25, dependent conditional: 2, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2009, independent: 1984, independent conditional: 0, independent unconditional: 1984, dependent: 25, dependent conditional: 2, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2009, independent: 1984, independent conditional: 0, independent unconditional: 1984, dependent: 25, dependent conditional: 2, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1045, independent: 1023, independent conditional: 0, independent unconditional: 1023, dependent: 22, dependent conditional: 1, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1045, independent: 1011, independent conditional: 0, independent unconditional: 1011, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 34, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 22, dependent conditional: 1, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 22, dependent conditional: 1, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, independent: 73, independent conditional: 0, independent unconditional: 73, dependent: 85, dependent conditional: 5, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2009, independent: 961, independent conditional: 0, independent unconditional: 961, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 1045, unknown conditional: 1, unknown unconditional: 1044] , Statistics on independence cache: Total cache size (in pairs): 1045, Positive cache size: 1023, Positive conditional cache size: 0, Positive unconditional cache size: 1023, Negative cache size: 22, Negative conditional cache size: 1, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 464 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 102, Number of trivial persistent sets: 69, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1541, independent: 1520, independent conditional: 0, independent unconditional: 1520, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2471, independent: 1984, independent conditional: 464, independent unconditional: 1520, dependent: 487, dependent conditional: 466, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2007, independent: 1984, independent conditional: 464, independent unconditional: 1520, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2007, independent: 1984, independent conditional: 464, independent unconditional: 1520, dependent: 23, dependent conditional: 2, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2009, independent: 1984, independent conditional: 0, independent unconditional: 1984, dependent: 25, dependent conditional: 2, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2009, independent: 1984, independent conditional: 0, independent unconditional: 1984, dependent: 25, dependent conditional: 2, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2009, independent: 1984, independent conditional: 0, independent unconditional: 1984, dependent: 25, dependent conditional: 2, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1045, independent: 1023, independent conditional: 0, independent unconditional: 1023, dependent: 22, dependent conditional: 1, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1045, independent: 1011, independent conditional: 0, independent unconditional: 1011, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 34, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 22, dependent conditional: 1, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 22, dependent conditional: 1, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, independent: 73, independent conditional: 0, independent unconditional: 73, dependent: 85, dependent conditional: 5, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2009, independent: 961, independent conditional: 0, independent unconditional: 961, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 1045, unknown conditional: 1, unknown unconditional: 1044] , Statistics on independence cache: Total cache size (in pairs): 1045, Positive cache size: 1023, Positive conditional cache size: 0, Positive unconditional cache size: 1023, Negative cache size: 22, Negative conditional cache size: 1, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 464 - TimeoutResultAtElement [Line: 722]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 143 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 39201 for 861979ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 879.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 317 NumberOfCodeBlocks, 317 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 397 ConstructedInterpolants, 60 QuantifiedInterpolants, 4469 SizeOfPredicates, 14 NumberOfNonLiveVariables, 241 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 0/96 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown