/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 04:07:02,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 04:07:02,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 04:07:02,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 04:07:02,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 04:07:02,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 04:07:02,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 04:07:02,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 04:07:02,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 04:07:02,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 04:07:02,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 04:07:02,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 04:07:02,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 04:07:02,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 04:07:02,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 04:07:02,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 04:07:02,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 04:07:02,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 04:07:02,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 04:07:02,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 04:07:02,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 04:07:02,801 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 04:07:02,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 04:07:02,802 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 04:07:02,802 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 04:07:02,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 04:07:02,803 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 04:07:02,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 04:07:02,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 04:07:02,803 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 04:07:02,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 04:07:02,804 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 04:07:02,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 04:07:02,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 04:07:02,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 04:07:02,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 04:07:02,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 04:07:02,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 04:07:02,804 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 04:07:02,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 04:07:02,805 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 04:07:02,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 04:07:02,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 04:07:02,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 04:07:02,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 04:07:02,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 04:07:02,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 04:07:02,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 04:07:02,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 04:07:02,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 04:07:02,806 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 04:07:02,806 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 04:07:02,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 04:07:02,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 04:07:02,806 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 04:07:02,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 04:07:02,806 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 04:07:02,807 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-04 04:07:03,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 04:07:03,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 04:07:03,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 04:07:03,074 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 04:07:03,074 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 04:07:03,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2023-05-04 04:07:03,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf7c384ed/680ebf7945384c3193cf52fbbcf69f86/FLAG62fb948b8 [2023-05-04 04:07:03,536 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 04:07:03,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2023-05-04 04:07:03,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf7c384ed/680ebf7945384c3193cf52fbbcf69f86/FLAG62fb948b8 [2023-05-04 04:07:03,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf7c384ed/680ebf7945384c3193cf52fbbcf69f86 [2023-05-04 04:07:03,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 04:07:03,948 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 04:07:03,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 04:07:03,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 04:07:03,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 04:07:03,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:07:03" (1/1) ... [2023-05-04 04:07:03,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2632e01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:03, skipping insertion in model container [2023-05-04 04:07:03,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:07:03" (1/1) ... [2023-05-04 04:07:03,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 04:07:03,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 04:07:04,215 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/unroll-cond-4.wvr.c[2808,2821] [2023-05-04 04:07:04,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 04:07:04,244 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 04:07:04,278 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/unroll-cond-4.wvr.c[2808,2821] [2023-05-04 04:07:04,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 04:07:04,295 INFO L208 MainTranslator]: Completed translation [2023-05-04 04:07:04,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:04 WrapperNode [2023-05-04 04:07:04,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 04:07:04,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 04:07:04,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 04:07:04,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 04:07:04,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:04" (1/1) ... [2023-05-04 04:07:04,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:04" (1/1) ... [2023-05-04 04:07:04,355 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 183 [2023-05-04 04:07:04,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 04:07:04,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 04:07:04,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 04:07:04,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 04:07:04,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:04" (1/1) ... [2023-05-04 04:07:04,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:04" (1/1) ... [2023-05-04 04:07:04,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:04" (1/1) ... [2023-05-04 04:07:04,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:04" (1/1) ... [2023-05-04 04:07:04,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:04" (1/1) ... [2023-05-04 04:07:04,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:04" (1/1) ... [2023-05-04 04:07:04,392 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:04" (1/1) ... [2023-05-04 04:07:04,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:04" (1/1) ... [2023-05-04 04:07:04,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 04:07:04,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 04:07:04,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 04:07:04,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 04:07:04,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:04" (1/1) ... [2023-05-04 04:07:04,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 04:07:04,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:07:04,430 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 04:07:04,454 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 04:07:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 04:07:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 04:07:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 04:07:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 04:07:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 04:07:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 04:07:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 04:07:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 04:07:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 04:07:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 04:07:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 04:07:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 04:07:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 04:07:04,473 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 04:07:04,621 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 04:07:04,623 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 04:07:04,951 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 04:07:04,967 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 04:07:04,967 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 04:07:04,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:07:04 BoogieIcfgContainer [2023-05-04 04:07:04,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 04:07:04,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 04:07:04,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 04:07:05,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 04:07:05,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 04:07:03" (1/3) ... [2023-05-04 04:07:05,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4f773b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:07:05, skipping insertion in model container [2023-05-04 04:07:05,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:07:04" (2/3) ... [2023-05-04 04:07:05,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4f773b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:07:05, skipping insertion in model container [2023-05-04 04:07:05,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:07:04" (3/3) ... [2023-05-04 04:07:05,005 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2023-05-04 04:07:05,012 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 04:07:05,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 04:07:05,021 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 04:07:05,021 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 04:07:05,143 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 04:07:05,193 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 04:07:05,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 04:07:05,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:07:05,195 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 04:07:05,202 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 04:07:05,233 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 04:07:05,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 04:07:05,287 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;@4c6cb26a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 04:07:05,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 04:07:05,524 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 04:07:05,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:07:05,529 INFO L85 PathProgramCache]: Analyzing trace with hash 315323713, now seen corresponding path program 1 times [2023-05-04 04:07:05,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:07:05,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427016921] [2023-05-04 04:07:05,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:07:05,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:07:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:07:05,802 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 04:07:05,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:07:05,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427016921] [2023-05-04 04:07:05,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427016921] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 04:07:05,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 04:07:05,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 04:07:05,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307013370] [2023-05-04 04:07:05,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 04:07:05,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 04:07:05,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:07:05,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 04:07:05,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 04:07:05,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:05,837 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:07:05,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 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 04:07:05,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:05,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:05,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 04:07:05,876 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 04:07:05,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:07:05,877 INFO L85 PathProgramCache]: Analyzing trace with hash -470313042, now seen corresponding path program 1 times [2023-05-04 04:07:05,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:07:05,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669211828] [2023-05-04 04:07:05,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:07:05,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:07:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:07:06,388 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 04:07:06,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:07:06,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669211828] [2023-05-04 04:07:06,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669211828] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 04:07:06,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 04:07:06,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 04:07:06,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358001173] [2023-05-04 04:07:06,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 04:07:06,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 04:07:06,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:07:06,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 04:07:06,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-04 04:07:06,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:06,394 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:07:06,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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 04:07:06,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:06,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:06,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:07:06,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 04:07:06,490 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 04:07:06,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:07:06,491 INFO L85 PathProgramCache]: Analyzing trace with hash 566083293, now seen corresponding path program 1 times [2023-05-04 04:07:06,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:07:06,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661153996] [2023-05-04 04:07:06,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:07:06,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:07:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:07:07,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:07:07,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:07:07,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661153996] [2023-05-04 04:07:07,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661153996] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:07:07,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461189091] [2023-05-04 04:07:07,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:07:07,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:07:07,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:07:07,356 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 04:07:07,376 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 04:07:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:07:07,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 04:07:07,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:07:07,794 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 04:07:07,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 04:07:07,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461189091] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 04:07:07,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 04:07:07,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2023-05-04 04:07:07,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004918624] [2023-05-04 04:07:07,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 04:07:07,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 04:07:07,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:07:07,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 04:07:07,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2023-05-04 04:07:07,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:07,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:07:07,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 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 04:07:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:07,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:07:07,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:08,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:08,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:07:08,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:07:08,399 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 04:07:08,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-04 04:07:08,590 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 04:07:08,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:07:08,590 INFO L85 PathProgramCache]: Analyzing trace with hash 528240050, now seen corresponding path program 1 times [2023-05-04 04:07:08,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:07:08,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463052821] [2023-05-04 04:07:08,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:07:08,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:07:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:07:09,166 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 04:07:09,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:07:09,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463052821] [2023-05-04 04:07:09,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463052821] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:07:09,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542736266] [2023-05-04 04:07:09,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:07:09,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:07:09,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:07:09,169 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 04:07:09,196 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 04:07:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:07:09,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-04 04:07:09,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:07:10,568 INFO L356 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-05-04 04:07:10,569 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 26 treesize of output 13 [2023-05-04 04:07:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:07:10,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:07:11,398 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:07:11,399 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 34 treesize of output 22 [2023-05-04 04:07:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:07:12,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542736266] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:07:12,878 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:07:12,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 21, 22] total 48 [2023-05-04 04:07:12,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374016730] [2023-05-04 04:07:12,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:07:12,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-04 04:07:12,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:07:12,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-04 04:07:12,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=2082, Unknown=0, NotChecked=0, Total=2256 [2023-05-04 04:07:12,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:12,882 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:07:12,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.3125) internal successors, (399), 48 states have internal predecessors, (399), 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 04:07:12,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:12,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:07:12,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:07:12,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:18,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:18,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:07:18,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:07:18,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 04:07:18,247 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 04:07:18,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:07:18,437 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 04:07:18,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:07:18,438 INFO L85 PathProgramCache]: Analyzing trace with hash -2099239755, now seen corresponding path program 1 times [2023-05-04 04:07:18,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:07:18,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208645981] [2023-05-04 04:07:18,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:07:18,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:07:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:07:19,526 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 04:07:19,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:07:19,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208645981] [2023-05-04 04:07:19,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208645981] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:07:19,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840298226] [2023-05-04 04:07:19,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:07:19,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:07:19,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:07:19,529 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 04:07:19,571 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 04:07:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:07:19,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-04 04:07:19,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:07:21,220 INFO L356 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-05-04 04:07:21,221 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 26 treesize of output 13 [2023-05-04 04:07:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 04:07:21,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:07:22,445 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:07:22,445 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 34 treesize of output 22 [2023-05-04 04:07:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 04:07:23,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840298226] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:07:23,694 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:07:23,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 22] total 56 [2023-05-04 04:07:23,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433110085] [2023-05-04 04:07:23,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:07:23,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-04 04:07:23,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:07:23,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-04 04:07:23,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=2870, Unknown=0, NotChecked=0, Total=3080 [2023-05-04 04:07:23,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:23,697 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:07:23,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 9.285714285714286) internal successors, (520), 56 states have internal predecessors, (520), 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 04:07:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:07:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:07:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-04 04:07:23,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:07:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:07:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 04:07:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 04:07:31,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 04:07:32,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:07:32,120 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 04:07:32,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:07:32,121 INFO L85 PathProgramCache]: Analyzing trace with hash -251751114, now seen corresponding path program 1 times [2023-05-04 04:07:32,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:07:32,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4677722] [2023-05-04 04:07:32,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:07:32,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:07:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:07:33,756 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 04:07:33,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:07:33,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4677722] [2023-05-04 04:07:33,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4677722] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:07:33,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764815268] [2023-05-04 04:07:33,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:07:33,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:07:33,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:07:33,760 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 04:07:33,761 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 04:07:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:07:33,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-04 04:07:33,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:07:35,587 INFO L356 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-05-04 04:07:35,587 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 26 treesize of output 13 [2023-05-04 04:07:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-05-04 04:07:35,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:07:37,046 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:07:37,046 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 34 treesize of output 22 [2023-05-04 04:07:38,328 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-05-04 04:07:38,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764815268] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:07:38,329 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:07:38,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 21, 22] total 65 [2023-05-04 04:07:38,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100821454] [2023-05-04 04:07:38,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:07:38,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-05-04 04:07:38,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:07:38,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-05-04 04:07:38,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=3927, Unknown=0, NotChecked=0, Total=4160 [2023-05-04 04:07:38,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:38,332 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:07:38,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 8.753846153846155) internal successors, (569), 65 states have internal predecessors, (569), 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 04:07:38,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:38,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:07:38,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:07:38,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-04 04:07:38,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 04:07:38,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:49,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:49,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:07:49,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:07:49,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 04:07:49,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-05-04 04:07:49,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-05-04 04:07:49,770 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 04:07:49,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:07:49,955 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 04:07:49,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:07:49,955 INFO L85 PathProgramCache]: Analyzing trace with hash -373644807, now seen corresponding path program 1 times [2023-05-04 04:07:49,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:07:49,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025636966] [2023-05-04 04:07:49,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:07:49,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:07:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:07:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 298 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 04:07:52,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:07:52,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025636966] [2023-05-04 04:07:52,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025636966] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:07:52,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019853244] [2023-05-04 04:07:52,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:07:52,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:07:52,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:07:52,081 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 04:07:52,082 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 04:07:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:07:52,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 43 conjunts are in the unsatisfiable core [2023-05-04 04:07:52,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:07:53,989 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 04:07:53,989 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 20 [2023-05-04 04:07:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 46 proven. 10 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2023-05-04 04:07:54,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:07:54,491 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:07:54,492 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 30 [2023-05-04 04:07:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2023-05-04 04:07:56,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019853244] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:07:56,498 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:07:56,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 24, 23] total 78 [2023-05-04 04:07:56,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411786184] [2023-05-04 04:07:56,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:07:56,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2023-05-04 04:07:56,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:07:56,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2023-05-04 04:07:56,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=5651, Unknown=0, NotChecked=0, Total=6006 [2023-05-04 04:07:56,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:56,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:07:56,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 8.205128205128204) internal successors, (640), 78 states have internal predecessors, (640), 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 04:07:56,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:07:56,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:07:56,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:07:56,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-04 04:07:56,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-05-04 04:07:56,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-05-04 04:07:56,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:08:14,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:08:14,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:08:14,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:08:14,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-04 04:08:14,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-05-04 04:08:14,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:08:14,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 04:08:14,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-04 04:08:15,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:08:15,074 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 04:08:15,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:08:15,075 INFO L85 PathProgramCache]: Analyzing trace with hash -2068404907, now seen corresponding path program 1 times [2023-05-04 04:08:15,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:08:15,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210892145] [2023-05-04 04:08:15,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:08:15,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:08:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:08:15,598 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 04:08:15,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:08:15,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210892145] [2023-05-04 04:08:15,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210892145] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:08:15,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666693848] [2023-05-04 04:08:15,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:08:15,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:08:15,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:08:15,600 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 04:08:15,601 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 04:08:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:08:15,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 53 conjunts are in the unsatisfiable core [2023-05-04 04:08:15,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:08:15,736 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 04:08:15,901 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 04:08:15,902 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 04:08:16,367 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 04:08:16,701 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 04:08:16,703 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:08:16,703 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 17 treesize of output 10 [2023-05-04 04:08:16,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:08:16,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:08:17,437 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:08:17,437 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 46 treesize of output 34 [2023-05-04 04:08:17,443 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 13 treesize of output 7 [2023-05-04 04:08:18,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:08:18,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666693848] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:08:18,838 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:08:18,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 25, 25] total 57 [2023-05-04 04:08:18,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571232722] [2023-05-04 04:08:18,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:08:18,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-05-04 04:08:18,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:08:18,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-05-04 04:08:18,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=3007, Unknown=12, NotChecked=0, Total=3192 [2023-05-04 04:08:18,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:08:18,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:08:18,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 7.649122807017544) internal successors, (436), 57 states have internal predecessors, (436), 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 04:08:18,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:08:18,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:08:18,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:08:18,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-04 04:08:18,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2023-05-04 04:08:18,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:08:18,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 04:08:18,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:08:26,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:08:26,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:08:26,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:08:26,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-04 04:08:26,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-05-04 04:08:26,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:08:26,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 04:08:26,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 04:08:26,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-04 04:08:26,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:08:26,846 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 04:08:26,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:08:26,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1865072388, now seen corresponding path program 1 times [2023-05-04 04:08:26,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:08:26,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764998577] [2023-05-04 04:08:26,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:08:26,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:08:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:08:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 04:08:29,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:08:29,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764998577] [2023-05-04 04:08:29,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764998577] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:08:29,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098867626] [2023-05-04 04:08:29,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:08:29,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:08:29,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:08:29,024 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 04:08:29,024 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 04:08:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:08:29,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 53 conjunts are in the unsatisfiable core [2023-05-04 04:08:29,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:08:29,168 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 04:08:29,376 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 04:08:29,376 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 04:08:30,098 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 04:08:30,834 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 04:08:30,836 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:08:30,836 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 17 treesize of output 10 [2023-05-04 04:08:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-05-04 04:08:30,999 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:08:34,060 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:08:34,060 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 46 treesize of output 34 [2023-05-04 04:08:34,064 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 13 treesize of output 7 [2023-05-04 04:08:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-05-04 04:08:35,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098867626] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:08:35,551 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:08:35,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 67 [2023-05-04 04:08:35,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280833759] [2023-05-04 04:08:35,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:08:35,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-05-04 04:08:35,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:08:35,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-05-04 04:08:35,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=4151, Unknown=19, NotChecked=0, Total=4422 [2023-05-04 04:08:35,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:08:35,554 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:08:35,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 7.835820895522388) internal successors, (525), 67 states have internal predecessors, (525), 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 04:08:35,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:08:35,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:08:35,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:08:35,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-04 04:08:35,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2023-05-04 04:08:35,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:08:35,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 04:08:35,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 04:08:35,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:10:55,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:10:55,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:10:55,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:10:55,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-04 04:10:55,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-05-04 04:10:55,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:10:55,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 04:10:55,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-04 04:10:55,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-04 04:10:55,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-04 04:10:55,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-04 04:10:55,809 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 04:10:55,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:10:55,810 INFO L85 PathProgramCache]: Analyzing trace with hash 200217274, now seen corresponding path program 1 times [2023-05-04 04:10:55,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:10:55,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639428650] [2023-05-04 04:10:55,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:10:55,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:10:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:10:57,548 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 04:10:57,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:10:57,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639428650] [2023-05-04 04:10:57,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639428650] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:10:57,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678599862] [2023-05-04 04:10:57,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:10:57,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:10:57,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:10:57,553 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 04:10:57,557 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 04:10:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:10:57,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 53 conjunts are in the unsatisfiable core [2023-05-04 04:10:57,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:10:57,694 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 04:10:57,887 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 04:10:57,887 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 04:10:58,559 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 04:10:59,174 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 04:10:59,176 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:10:59,176 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 17 treesize of output 10 [2023-05-04 04:10:59,338 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-05-04 04:10:59,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:11:00,395 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:11:00,395 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 46 treesize of output 34 [2023-05-04 04:11:00,399 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 13 treesize of output 7 [2023-05-04 04:11:01,811 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-05-04 04:11:01,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678599862] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:11:01,812 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:11:01,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 67 [2023-05-04 04:11:01,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327654912] [2023-05-04 04:11:01,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:11:01,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-05-04 04:11:01,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:11:01,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-05-04 04:11:01,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=4205, Unknown=17, NotChecked=0, Total=4422 [2023-05-04 04:11:01,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:11:01,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:11:01,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 7.8059701492537314) internal successors, (523), 67 states have internal predecessors, (523), 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 04:11:01,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:11:01,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:11:01,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:11:01,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-04 04:11:01,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2023-05-04 04:11:01,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:11:01,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 04:11:01,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-04 04:11:01,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-05-04 04:11:01,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:13:05,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:13:05,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:13:05,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:13:05,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-04 04:13:05,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-05-04 04:13:05,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:13:05,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 04:13:05,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-05-04 04:13:05,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-05-04 04:13:05,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-05-04 04:13:05,952 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 04:13:06,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-04 04:13:06,145 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 04:13:06,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:13:06,146 INFO L85 PathProgramCache]: Analyzing trace with hash 494472850, now seen corresponding path program 2 times [2023-05-04 04:13:06,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:13:06,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523535614] [2023-05-04 04:13:06,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:13:06,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:13:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:13:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 04:13:06,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:13:06,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523535614] [2023-05-04 04:13:06,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523535614] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:13:06,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113573313] [2023-05-04 04:13:06,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 04:13:06,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:13:06,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:13:06,733 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 04:13:06,734 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 04:13:06,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 04:13:06,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:13:06,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 63 conjunts are in the unsatisfiable core [2023-05-04 04:13:06,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:13:07,263 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 04:13:07,548 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 04:13:07,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 04:13:07,869 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 22 treesize of output 22 [2023-05-04 04:13:08,583 INFO L356 Elim1Store]: treesize reduction 24, result has 22.6 percent of original size [2023-05-04 04:13:08,583 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 26 [2023-05-04 04:13:08,719 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 04:13:08,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:13:09,564 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~x2~0_104 Int) (v_ArrVal_242 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_242) c_~f~0.base))) (let ((.cse0 (select .cse1 (+ (* c_~x2~0 4) c_~f~0.offset)))) (or (<= c_~size~0 .cse0) (= (select .cse1 (+ c_~f~0.offset (* v_~x2~0_104 4))) c_~x1~0) (<= c_~size~0 v_~x2~0_104) (< v_~x2~0_104 0) (< .cse0 0))))) is different from false [2023-05-04 04:13:09,818 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~x2~0_104 Int) (v_ArrVal_242 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_242) c_~f~0.base))) (let ((.cse0 (select .cse1 (+ (* c_~x2~0 4) c_~f~0.offset)))) (or (<= c_~size~0 .cse0) (<= c_~size~0 v_~x2~0_104) (< v_~x2~0_104 0) (< .cse0 0) (= (select .cse1 (+ c_~f~0.offset (* v_~x2~0_104 4))) (select (select |c_#memory_int| c_~f~0.base) (+ (* c_~x1~0 4) c_~f~0.offset))))))) is different from false [2023-05-04 04:13:09,948 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~x2~0_104 Int) (v_ArrVal_242 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_242) c_~f~0.base))) (let ((.cse0 (select .cse1 (+ (* c_~x2~0 4) c_~f~0.offset)))) (or (<= c_~size~0 .cse0) (<= c_~size~0 v_~x2~0_104) (< v_~x2~0_104 0) (= (select .cse1 (+ c_~f~0.offset (* v_~x2~0_104 4))) (select (select |c_#memory_int| c_~f~0.base) (+ c_~f~0.offset (* 4 |c_thread1Thread1of1ForFork0_#t~mem1#1|)))) (< .cse0 0))))) is different from false [2023-05-04 04:13:09,962 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_~x2~0_104 Int) (v_ArrVal_242 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_242) c_~f~0.base))) (let ((.cse0 (select .cse1 (+ (* c_~x2~0 4) c_~f~0.offset)))) (or (<= c_~size~0 .cse0) (= (select .cse1 (+ c_~f~0.offset (* v_~x2~0_104 4))) (let ((.cse2 (select |c_#memory_int| c_~f~0.base))) (select .cse2 (+ c_~f~0.offset (* (select .cse2 (+ (* c_~x1~0 4) c_~f~0.offset)) 4))))) (<= c_~size~0 v_~x2~0_104) (< v_~x2~0_104 0) (< .cse0 0))))) is different from false [2023-05-04 04:13:10,219 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_241 (Array Int Int)) (v_~x2~0_104 Int) (v_ArrVal_242 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_241))) (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_242) |c_ULTIMATE.start_main_#t~ret19#1.base|))) (let ((.cse3 (select .cse0 (+ (* c_~x2~0 4) |c_ULTIMATE.start_main_#t~ret19#1.offset|)))) (or (= (select .cse0 (+ (* v_~x2~0_104 4) |c_ULTIMATE.start_main_#t~ret19#1.offset|)) (let ((.cse1 (select .cse2 |c_ULTIMATE.start_main_#t~ret19#1.base|))) (select .cse1 (+ (* (select .cse1 (+ (* c_~x1~0 4) |c_ULTIMATE.start_main_#t~ret19#1.offset|)) 4) |c_ULTIMATE.start_main_#t~ret19#1.offset|)))) (<= c_~size~0 v_~x2~0_104) (< v_~x2~0_104 0) (<= c_~size~0 .cse3) (< .cse3 0)))))) is different from false [2023-05-04 04:13:10,248 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_241 (Array Int Int)) (v_~x2~0_104 Int) (v_ArrVal_242 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_241))) (let ((.cse2 (select (store .cse1 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_242) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (let ((.cse3 (select .cse2 (+ (* c_~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (or (= (let ((.cse0 (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (select .cse0 (+ (* (select .cse0 (+ (* c_~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (select .cse2 (+ (* v_~x2~0_104 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (<= c_~size~0 .cse3) (<= c_~size~0 v_~x2~0_104) (< v_~x2~0_104 0) (< .cse3 0)))))) is different from false [2023-05-04 04:13:10,268 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_241 (Array Int Int)) (v_~x2~0_104 Int) (v_ArrVal_242 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_241))) (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_242) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (let ((.cse3 (select .cse0 (+ (* c_~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (or (= (select .cse0 (+ (* v_~x2~0_104 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (let ((.cse1 (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (select .cse1 (+ (* (select .cse1 (+ (* c_~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (<= c_~size~0 v_~x2~0_104) (< v_~x2~0_104 0) (<= c_~size~0 .cse3) (< .cse3 0)))))) is different from false [2023-05-04 04:13:10,577 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:13:10,577 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 134 treesize of output 86 [2023-05-04 04:13:10,605 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:13:10,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 816 treesize of output 704 [2023-05-04 04:13:10,651 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:13:10,652 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 598 treesize of output 478 [2023-05-04 04:13:10,702 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:13:10,702 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 528 treesize of output 396 [2023-05-04 04:13:13,977 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 15 not checked. [2023-05-04 04:13:13,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113573313] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:13:13,977 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:13:13,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 34, 34] total 79 [2023-05-04 04:13:13,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756565805] [2023-05-04 04:13:13,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:13:13,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2023-05-04 04:13:13,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:13:13,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2023-05-04 04:13:13,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=4813, Unknown=28, NotChecked=1022, Total=6162 [2023-05-04 04:13:13,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:13:13,980 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:13:13,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 6.291139240506329) internal successors, (497), 79 states have internal predecessors, (497), 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 04:13:13,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:13:13,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:13:13,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:13:13,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-04 04:13:13,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2023-05-04 04:13:13,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:13:13,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 04:13:13,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2023-05-04 04:13:13,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2023-05-04 04:13:13,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2023-05-04 04:13:13,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:13:20,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:13:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:13:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:13:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-04 04:13:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-05-04 04:13:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:13:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 04:13:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-05-04 04:13:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-05-04 04:13:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-05-04 04:13:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-05-04 04:13:20,923 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 04:13:21,108 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,SelfDestructingSolverStorable10 [2023-05-04 04:13:21,108 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 04:13:21,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:13:21,108 INFO L85 PathProgramCache]: Analyzing trace with hash 738655353, now seen corresponding path program 3 times [2023-05-04 04:13:21,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:13:21,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437770651] [2023-05-04 04:13:21,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:13:21,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:13:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:13:22,059 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 04:13:22,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:13:22,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437770651] [2023-05-04 04:13:22,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437770651] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:13:22,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016032501] [2023-05-04 04:13:22,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 04:13:22,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:13:22,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:13:22,061 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 04:13:22,068 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 04:13:22,189 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-04 04:13:22,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:13:22,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 54 conjunts are in the unsatisfiable core [2023-05-04 04:13:22,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:13:22,226 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 04:13:22,399 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 04:13:22,400 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 04:13:22,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 04:13:22,784 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 04:13:23,213 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 18 treesize of output 20 [2023-05-04 04:13:24,176 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 04:13:24,177 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 23 treesize of output 10 [2023-05-04 04:13:24,362 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-05-04 04:13:24,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:13:26,139 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_270 (Array Int Int)) (v_ArrVal_271 (Array Int Int))) (or (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_270))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_271) |c_ULTIMATE.start_main_#t~ret19#1.base|) (+ (* ~x2~0 4) |c_ULTIMATE.start_main_#t~ret19#1.offset|)) (select (select .cse0 |c_ULTIMATE.start_main_#t~ret19#1.base|) (+ (* ~x1~0 4) |c_ULTIMATE.start_main_#t~ret19#1.offset|)))) (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-04 04:13:26,267 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_270 (Array Int Int)) (v_ArrVal_271 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_270))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_271) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ (* ~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (<= c_~size~0 ~x2~0))) is different from false [2023-05-04 04:13:26,575 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:13:26,575 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 52 treesize of output 41 [2023-05-04 04:13:26,583 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:13:26,583 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 202 treesize of output 166 [2023-05-04 04:13:26,591 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 154 treesize of output 130 [2023-05-04 04:13:26,602 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:13:26,602 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 130 treesize of output 106 [2023-05-04 04:13:27,387 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 13 refuted. 12 times theorem prover too weak. 42 trivial. 0 not checked. [2023-05-04 04:13:27,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016032501] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:13:27,387 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:13:27,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29, 29] total 77 [2023-05-04 04:13:27,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594115633] [2023-05-04 04:13:27,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:13:27,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2023-05-04 04:13:27,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:13:27,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2023-05-04 04:13:27,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=5240, Unknown=79, NotChecked=294, Total=5852 [2023-05-04 04:13:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:13:27,390 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:13:27,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 6.9480519480519485) internal successors, (535), 77 states have internal predecessors, (535), 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 04:13:27,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:13:27,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:13:27,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:13:27,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-04 04:13:27,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2023-05-04 04:13:27,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:13:27,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 04:13:27,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2023-05-04 04:13:27,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2023-05-04 04:13:27,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2023-05-04 04:13:27,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-05-04 04:13:27,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:13:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:13:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:13:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:13:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-04 04:13:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-05-04 04:13:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:13:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-04 04:13:35,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-05-04 04:13:35,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2023-05-04 04:13:35,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-05-04 04:13:35,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-05-04 04:13:35,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-04 04:13:35,157 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 04:13:35,350 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,SelfDestructingSolverStorable11 [2023-05-04 04:13:35,350 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 04:13:35,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 04:13:35,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1010564184, now seen corresponding path program 2 times [2023-05-04 04:13:35,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 04:13:35,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751385757] [2023-05-04 04:13:35,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 04:13:35,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 04:13:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 04:13:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 04:13:38,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 04:13:38,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751385757] [2023-05-04 04:13:38,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751385757] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 04:13:38,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037570291] [2023-05-04 04:13:38,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 04:13:38,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 04:13:38,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 04:13:38,507 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 04:13:38,508 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 04:13:38,653 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 04:13:38,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 04:13:38,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 49 conjunts are in the unsatisfiable core [2023-05-04 04:13:38,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 04:13:38,667 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 04:13:38,822 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 04:13:38,822 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 04:13:39,675 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 18 treesize of output 20 [2023-05-04 04:13:41,016 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 04:13:41,016 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 23 treesize of output 10 [2023-05-04 04:13:41,216 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-05-04 04:13:41,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 04:13:42,485 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 04:13:42,486 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 46 treesize of output 34 [2023-05-04 04:13:42,488 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 13 treesize of output 7 [2023-05-04 04:13:43,839 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 2 proven. 4 refuted. 7 times theorem prover too weak. 153 trivial. 0 not checked. [2023-05-04 04:13:43,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037570291] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 04:13:43,839 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 04:13:43,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 27, 27] total 81 [2023-05-04 04:13:43,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658958181] [2023-05-04 04:13:43,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 04:13:43,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2023-05-04 04:13:43,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 04:13:43,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2023-05-04 04:13:43,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=6156, Unknown=30, NotChecked=0, Total=6480 [2023-05-04 04:13:43,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:13:43,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 04:13:43,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 7.419753086419753) internal successors, (601), 81 states have internal predecessors, (601), 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 04:13:43,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:13:43,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 04:13:43,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 04:13:43,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-04 04:13:43,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2023-05-04 04:13:43,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2023-05-04 04:13:43,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-04 04:13:43,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2023-05-04 04:13:43,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2023-05-04 04:13:43,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2023-05-04 04:13:43,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-05-04 04:13:43,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-05-04 04:13:43,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 04:13:46,049 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse4 (- |c_thread2Thread1of1ForFork1_#t~post10#1|)) (.cse2 (- |c_thread2Thread1of1ForFork1_#t~post8#1|)) (.cse8 (- |c_thread2Thread1of1ForFork1_#t~post4#1|)) (.cse7 (- |c_thread2Thread1of1ForFork1_#t~post6#1|)) (.cse0 (div (+ c_~n~0 4294967293) 4294967296)) (.cse1 (- c_~n~0)) (.cse6 (- |c_thread2Thread1of1ForFork1_~i~1#1|)) (.cse3 (div c_~n~0 4294967296)) (.cse5 (< c_~size~0 1)) (.cse10 (< c_~size~0 2))) (and (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_#t~post8#1| (- 8)) 4294967296) (div (+ .cse2 9 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ 2 .cse4 c_~n~0) 4294967296) (div (+ (- 1) .cse1 |c_thread2Thread1of1ForFork1_#t~post10#1|) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse4 c_~n~0 10) 4294967296) 1 (div (+ (- 9) .cse1 |c_thread2Thread1of1ForFork1_#t~post10#1|) 4294967296) .cse3)) (or (not (= |c_ULTIMATE.start_main_#t~ret19#1.base| |c_ULTIMATE.start_main_~#t2~0#1.base|)) .cse5) (<= .cse0 (+ (div (+ c_~n~0 10 .cse6) 4294967296) (div (+ (- 9) .cse1 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 (- 5) |c_thread2Thread1of1ForFork1_#t~post10#1|) 4294967296) (div (+ 6 .cse4 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse7 c_~n~0 4) 4294967296) (div (+ .cse1 |c_thread2Thread1of1ForFork1_#t~post6#1| (- 3)) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 3)) 4294967296) (div (+ c_~n~0 4 .cse6) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ c_~n~0 .cse6) 4294967296) (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| 1) 4294967296) 1 .cse3)) (or (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) .cse5) (<= .cse0 (+ (div (+ 2 c_~n~0 .cse6) 4294967296) 1 .cse3 (div (+ (- 1) .cse1 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (<= .cse0 (+ (div (+ 3 c_~n~0 .cse6) 4294967296) (div (+ .cse1 (- 2) |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 (- 4) |c_thread2Thread1of1ForFork1_#t~post8#1|) 4294967296) (div (+ .cse2 5 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ 3 .cse8 c_~n~0) 4294967296) (div (+ |c_thread2Thread1of1ForFork1_#t~post4#1| .cse1 (- 2)) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 5)) 4294967296) 1 (div (+ 6 c_~n~0 .cse6) 4294967296) .cse3)) (let ((.cse9 (* (div |c_thread2Thread1of1ForFork1_~i~1#1| 4294967296) 4294967296))) (or (<= (+ |c_thread2Thread1of1ForFork1_~i~1#1| (* .cse0 4294967296)) (+ .cse9 c_~n~0 11)) (<= (+ .cse9 c_~n~0 10) (+ |c_thread2Thread1of1ForFork1_~i~1#1| (* 4294967296 .cse3))))) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_#t~post6#1| 1) 4294967296) (div (+ .cse7 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ 7 c_~n~0 .cse6) 4294967296) (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 6)) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 (- 7) |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) (div (+ c_~n~0 8 .cse6) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ 5 c_~n~0 .cse6) 4294967296) (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 4)) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_#t~post8#1|) 4294967296) (div (+ .cse2 c_~n~0 1) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ |c_thread2Thread1of1ForFork1_#t~post4#1| .cse1 (- 6)) 4294967296) (div (+ 7 .cse8 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 8)) 4294967296) (div (+ 9 c_~n~0 .cse6) 4294967296) 1 .cse3)) (or (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)) .cse5) .cse10 (<= .cse0 (+ (div (+ .cse7 c_~n~0 8) 4294967296) (div (+ .cse1 (- 7) |c_thread2Thread1of1ForFork1_#t~post6#1|) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) (div (+ c_~n~0 .cse6 1) 4294967296) 1 .cse3)) (or (and (or (not (= |c_ULTIMATE.start_create_fresh_int_array_#t~malloc26#1.base| |c_ULTIMATE.start_main_~#t2~0#1.base|)) .cse5) .cse10) (< 1 |c_ULTIMATE.start_create_fresh_int_array_~size#1|)))) is different from false [2023-05-04 04:14:36,842 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse4 (- |c_thread2Thread1of1ForFork1_#t~post10#1|)) (.cse2 (- |c_thread2Thread1of1ForFork1_#t~post8#1|)) (.cse7 (- |c_thread2Thread1of1ForFork1_#t~post4#1|)) (.cse6 (- |c_thread2Thread1of1ForFork1_#t~post6#1|)) (.cse0 (div (+ c_~n~0 4294967293) 4294967296)) (.cse1 (- c_~n~0)) (.cse5 (- |c_thread2Thread1of1ForFork1_~i~1#1|)) (.cse3 (div c_~n~0 4294967296))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~#t2~0#1.base|) 1) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_#t~post8#1| (- 8)) 4294967296) (div (+ .cse2 9 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ 2 .cse4 c_~n~0) 4294967296) (div (+ (- 1) .cse1 |c_thread2Thread1of1ForFork1_#t~post10#1|) 4294967296) 1 .cse3)) (<= c_~size~0 1) (<= .cse0 (+ (div (+ .cse4 c_~n~0 10) 4294967296) 1 (div (+ (- 9) .cse1 |c_thread2Thread1of1ForFork1_#t~post10#1|) 4294967296) .cse3)) (<= .cse0 (+ (div (+ c_~n~0 10 .cse5) 4294967296) (div (+ (- 9) .cse1 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 (- 5) |c_thread2Thread1of1ForFork1_#t~post10#1|) 4294967296) (div (+ 6 .cse4 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse6 c_~n~0 4) 4294967296) (div (+ .cse1 |c_thread2Thread1of1ForFork1_#t~post6#1| (- 3)) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 3)) 4294967296) (div (+ c_~n~0 4 .cse5) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ c_~n~0 .cse5) 4294967296) (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| 1) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ 2 c_~n~0 .cse5) 4294967296) 1 .cse3 (div (+ (- 1) .cse1 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (<= .cse0 (+ (div (+ 3 c_~n~0 .cse5) 4294967296) (div (+ .cse1 (- 2) |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 (- 4) |c_thread2Thread1of1ForFork1_#t~post8#1|) 4294967296) (div (+ .cse2 5 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ 3 .cse7 c_~n~0) 4294967296) (div (+ |c_thread2Thread1of1ForFork1_#t~post4#1| .cse1 (- 2)) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 5)) 4294967296) 1 (div (+ 6 c_~n~0 .cse5) 4294967296) .cse3)) (= |c_thread1Thread1of1ForFork0_~i~0#1| 0) (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (<= (+ (* (div |c_thread2Thread1of1ForFork1_~i~1#1| 4294967296) 4294967296) c_~n~0 10) (+ |c_thread2Thread1of1ForFork1_~i~1#1| (* 4294967296 .cse3))) (<= c_~size~0 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_#t~post6#1| 1) 4294967296) (div (+ .cse6 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ 7 c_~n~0 .cse5) 4294967296) (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 6)) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 (- 7) |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) (div (+ c_~n~0 8 .cse5) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ 5 c_~n~0 .cse5) 4294967296) (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 4)) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_#t~post8#1|) 4294967296) (div (+ .cse2 c_~n~0 1) 4294967296) 1 .cse3)) (<= |c_ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= .cse0 (+ (div (+ |c_thread2Thread1of1ForFork1_#t~post4#1| .cse1 (- 6)) 4294967296) (div (+ 7 .cse7 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 8)) 4294967296) (div (+ 9 c_~n~0 .cse5) 4294967296) 1 .cse3)) (<= c_~size~0 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (<= .cse0 (+ (div (+ .cse6 c_~n~0 8) 4294967296) (div (+ .cse1 (- 7) |c_thread2Thread1of1ForFork1_#t~post6#1|) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) (div (+ c_~n~0 .cse5 1) 4294967296) 1 .cse3)) (or (and (or (not (= |c_ULTIMATE.start_create_fresh_int_array_#t~malloc26#1.base| |c_ULTIMATE.start_main_~#t2~0#1.base|)) (< c_~size~0 1)) (< c_~size~0 2)) (< 1 |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)))) is different from false [2023-05-04 04:15:52,219 WARN L233 SmtUtils]: Spent 14.02s on a formula simplification. DAG size of input: 224 DAG size of output: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 04:16:57,853 WARN L233 SmtUtils]: Spent 7.56s on a formula simplification. DAG size of input: 205 DAG size of output: 50 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 04:17:55,432 WARN L233 SmtUtils]: Spent 7.16s on a formula simplification. DAG size of input: 199 DAG size of output: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 04:18:58,190 WARN L233 SmtUtils]: Spent 11.45s on a formula simplification. DAG size of input: 217 DAG size of output: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 04:20:00,956 WARN L233 SmtUtils]: Spent 7.16s on a formula simplification. DAG size of input: 201 DAG size of output: 53 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 04:20:02,992 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse4 (- |c_thread2Thread1of1ForFork1_#t~post10#1|)) (.cse2 (- |c_thread2Thread1of1ForFork1_#t~post8#1|)) (.cse7 (- |c_thread2Thread1of1ForFork1_#t~post4#1|)) (.cse6 (- |c_thread2Thread1of1ForFork1_#t~post6#1|)) (.cse0 (div (+ c_~n~0 4294967293) 4294967296)) (.cse1 (- c_~n~0)) (.cse5 (- |c_thread2Thread1of1ForFork1_~i~1#1|)) (.cse3 (div c_~n~0 4294967296))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~#t2~0#1.base|) 1) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_#t~post8#1| (- 8)) 4294967296) (div (+ .cse2 9 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ 2 .cse4 c_~n~0) 4294967296) (div (+ (- 1) .cse1 |c_thread2Thread1of1ForFork1_#t~post10#1|) 4294967296) 1 .cse3)) (<= c_~size~0 1) (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| c_~f~0.base)) (<= .cse0 (+ (div (+ .cse4 c_~n~0 10) 4294967296) 1 (div (+ (- 9) .cse1 |c_thread2Thread1of1ForFork1_#t~post10#1|) 4294967296) .cse3)) (<= .cse0 (+ (div (+ c_~n~0 10 .cse5) 4294967296) (div (+ (- 9) .cse1 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 (- 5) |c_thread2Thread1of1ForFork1_#t~post10#1|) 4294967296) (div (+ 6 .cse4 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse6 c_~n~0 4) 4294967296) (div (+ .cse1 |c_thread2Thread1of1ForFork1_#t~post6#1| (- 3)) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 3)) 4294967296) (div (+ c_~n~0 4 .cse5) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ c_~n~0 .cse5) 4294967296) (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| 1) 4294967296) 1 .cse3)) (or (= c_~x1~0 (select (select |c_#memory_int| c_~f~0.base) (+ (* c_~x2~0 4) c_~f~0.offset))) (= 0 |c_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1|)) (<= |c_ULTIMATE.start_create_fresh_int_array_~i~2#1| 1) (<= .cse0 (+ (div (+ 2 c_~n~0 .cse5) 4294967296) 1 .cse3 (div (+ (- 1) .cse1 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (<= .cse0 (+ (div (+ 3 c_~n~0 .cse5) 4294967296) (div (+ .cse1 (- 2) |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 (- 4) |c_thread2Thread1of1ForFork1_#t~post8#1|) 4294967296) (div (+ .cse2 5 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ 3 .cse7 c_~n~0) 4294967296) (div (+ |c_thread2Thread1of1ForFork1_#t~post4#1| .cse1 (- 2)) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 5)) 4294967296) 1 (div (+ 6 c_~n~0 .cse5) 4294967296) .cse3)) (= |c_thread1Thread1of1ForFork0_~i~0#1| 0) (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (<= (+ (* (div |c_thread2Thread1of1ForFork1_~i~1#1| 4294967296) 4294967296) c_~n~0 10) (+ |c_thread2Thread1of1ForFork1_~i~1#1| (* 4294967296 .cse3))) (<= c_~size~0 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_#t~post6#1| 1) 4294967296) (div (+ .cse6 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ 7 c_~n~0 .cse5) 4294967296) (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 6)) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 (- 7) |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) (div (+ c_~n~0 8 .cse5) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ 5 c_~n~0 .cse5) 4294967296) (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 4)) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_#t~post8#1|) 4294967296) (div (+ .cse2 c_~n~0 1) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ |c_thread2Thread1of1ForFork1_#t~post4#1| .cse1 (- 6)) 4294967296) (div (+ 7 .cse7 c_~n~0) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1| (- 8)) 4294967296) (div (+ 9 c_~n~0 .cse5) 4294967296) 1 .cse3)) (<= c_~size~0 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (<= .cse0 (+ (div (+ .cse6 c_~n~0 8) 4294967296) (div (+ .cse1 (- 7) |c_thread2Thread1of1ForFork1_#t~post6#1|) 4294967296) 1 .cse3)) (<= .cse0 (+ (div (+ .cse1 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296) (div (+ c_~n~0 .cse5 1) 4294967296) 1 .cse3)) (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|)))) is different from false Received shutdown request... [2023-05-04 04:20:56,284 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 04:20:56,284 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 04:20:56,284 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 04:20:56,982 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 04:20:57,177 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,SelfDestructingSolverStorable12 [2023-05-04 04:20:57,177 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 140 known predicates. [2023-05-04 04:20:57,179 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 04:20:57,180 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 04:20:57,180 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 04:20:57,183 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-05-04 04:20:57,185 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 04:20:57,185 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 04:20:57,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 04:20:57 BasicIcfg [2023-05-04 04:20:57,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 04:20:57,187 INFO L158 Benchmark]: Toolchain (without parser) took 833239.06ms. Allocated memory was 176.2MB in the beginning and 714.1MB in the end (delta: 537.9MB). Free memory was 147.7MB in the beginning and 405.1MB in the end (delta: -257.4MB). Peak memory consumption was 279.9MB. Max. memory is 8.0GB. [2023-05-04 04:20:57,187 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 176.2MB. Free memory is still 130.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 04:20:57,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.79ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 147.5MB in the beginning and 205.9MB in the end (delta: -58.4MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. [2023-05-04 04:20:57,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.07ms. Allocated memory is still 237.0MB. Free memory was 205.9MB in the beginning and 203.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 04:20:57,188 INFO L158 Benchmark]: Boogie Preprocessor took 38.86ms. Allocated memory is still 237.0MB. Free memory was 203.8MB in the beginning and 202.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 04:20:57,188 INFO L158 Benchmark]: RCFGBuilder took 573.37ms. Allocated memory is still 237.0MB. Free memory was 202.2MB in the beginning and 182.3MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-05-04 04:20:57,188 INFO L158 Benchmark]: TraceAbstraction took 832215.26ms. Allocated memory was 237.0MB in the beginning and 714.1MB in the end (delta: 477.1MB). Free memory was 181.3MB in the beginning and 405.1MB in the end (delta: -223.9MB). Peak memory consumption was 254.3MB. Max. memory is 8.0GB. [2023-05-04 04:20:57,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 176.2MB. Free memory is still 130.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 346.79ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 147.5MB in the beginning and 205.9MB in the end (delta: -58.4MB). Peak memory consumption was 8.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.07ms. Allocated memory is still 237.0MB. Free memory was 205.9MB in the beginning and 203.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.86ms. Allocated memory is still 237.0MB. Free memory was 203.8MB in the beginning and 202.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 573.37ms. Allocated memory is still 237.0MB. Free memory was 202.2MB in the beginning and 182.3MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 832215.26ms. Allocated memory was 237.0MB in the beginning and 714.1MB in the end (delta: 477.1MB). Free memory was 181.3MB in the beginning and 405.1MB in the end (delta: -223.9MB). Peak memory consumption was 254.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 111763, independent: 98119, independent conditional: 88854, independent unconditional: 9265, dependent: 13644, dependent conditional: 13636, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98181, independent: 98119, independent conditional: 88854, independent unconditional: 9265, dependent: 62, dependent conditional: 54, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98181, independent: 98119, independent conditional: 88854, independent unconditional: 9265, dependent: 62, dependent conditional: 54, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98278, independent: 98119, independent conditional: 23, independent unconditional: 98096, dependent: 159, dependent conditional: 74, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 98278, independent: 98119, independent conditional: 23, independent unconditional: 98096, dependent: 159, dependent conditional: 20, dependent unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 98278, independent: 98119, independent conditional: 23, independent unconditional: 98096, dependent: 159, dependent conditional: 20, dependent unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7121, independent: 7105, independent conditional: 17, independent unconditional: 7088, dependent: 16, dependent conditional: 8, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7121, independent: 7087, independent conditional: 0, independent unconditional: 7087, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 34, independent: 18, independent conditional: 17, independent unconditional: 1, dependent: 16, dependent conditional: 8, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 18, independent conditional: 17, independent unconditional: 1, dependent: 16, dependent conditional: 8, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, independent: 87, independent conditional: 41, independent unconditional: 46, dependent: 68, dependent conditional: 19, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 98278, independent: 91014, independent conditional: 6, independent unconditional: 91008, dependent: 143, dependent conditional: 12, dependent unconditional: 131, unknown: 7121, unknown conditional: 25, unknown unconditional: 7096] , Statistics on independence cache: Total cache size (in pairs): 7121, Positive cache size: 7105, Positive conditional cache size: 17, Positive unconditional cache size: 7088, Negative cache size: 16, Negative conditional cache size: 8, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 54, Maximal queried relation: 5, Independence queries for same thread: 13582 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 2152, Number of trivial persistent sets: 1882, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9273, independent: 9265, independent conditional: 0, independent unconditional: 9265, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 111763, independent: 98119, independent conditional: 88854, independent unconditional: 9265, dependent: 13644, dependent conditional: 13636, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98181, independent: 98119, independent conditional: 88854, independent unconditional: 9265, dependent: 62, dependent conditional: 54, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98181, independent: 98119, independent conditional: 88854, independent unconditional: 9265, dependent: 62, dependent conditional: 54, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98278, independent: 98119, independent conditional: 23, independent unconditional: 98096, dependent: 159, dependent conditional: 74, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 98278, independent: 98119, independent conditional: 23, independent unconditional: 98096, dependent: 159, dependent conditional: 20, dependent unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 98278, independent: 98119, independent conditional: 23, independent unconditional: 98096, dependent: 159, dependent conditional: 20, dependent unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7121, independent: 7105, independent conditional: 17, independent unconditional: 7088, dependent: 16, dependent conditional: 8, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7121, independent: 7087, independent conditional: 0, independent unconditional: 7087, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 34, independent: 18, independent conditional: 17, independent unconditional: 1, dependent: 16, dependent conditional: 8, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 18, independent conditional: 17, independent unconditional: 1, dependent: 16, dependent conditional: 8, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, independent: 87, independent conditional: 41, independent unconditional: 46, dependent: 68, dependent conditional: 19, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 98278, independent: 91014, independent conditional: 6, independent unconditional: 91008, dependent: 143, dependent conditional: 12, dependent unconditional: 131, unknown: 7121, unknown conditional: 25, unknown unconditional: 7096] , Statistics on independence cache: Total cache size (in pairs): 7121, Positive cache size: 7105, Positive conditional cache size: 17, Positive unconditional cache size: 7088, Negative cache size: 16, Negative conditional cache size: 8, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 54, Maximal queried relation: 5, Independence queries for same thread: 13582 - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 140 known predicates. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 140 known predicates. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 140 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 338 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 832.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 764.1s, 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: 1120, 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: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 63.3s InterpolantComputationTime, 4931 NumberOfCodeBlocks, 4869 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 7127 ConstructedInterpolants, 1417 QuantifiedInterpolants, 106524 SizeOfPredicates, 323 NumberOfNonLiveVariables, 4240 ConjunctsInSsa, 497 ConjunctsInUnsatCore, 34 InterpolantComputations, 3 PerfectInterpolantSequences, 1538/2591 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