/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 00:52:33,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 00:52:33,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 00:52:33,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 00:52:33,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 00:52:33,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 00:52:33,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 00:52:33,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 00:52:33,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 00:52:33,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 00:52:33,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 00:52:33,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 00:52:33,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 00:52:33,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 00:52:33,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 00:52:33,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 00:52:33,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 00:52:33,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 00:52:33,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 00:52:33,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 00:52:33,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 00:52:33,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 00:52:33,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 00:52:33,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 00:52:33,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 00:52:33,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 00:52:33,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 00:52:33,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 00:52:33,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 00:52:33,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 00:52:33,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 00:52:33,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 00:52:33,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 00:52:33,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 00:52:33,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 00:52:33,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 00:52:33,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 00:52:33,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 00:52:33,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 00:52:33,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 00:52:33,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 00:52:33,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 00:52:33,868 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 00:52:33,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 00:52:33,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 00:52:33,869 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 00:52:33,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 00:52:33,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 00:52:33,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 00:52:33,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 00:52:33,870 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 00:52:33,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 00:52:33,870 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 00:52:33,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 00:52:33,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 00:52:33,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 00:52:33,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 00:52:33,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 00:52:33,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 00:52:33,871 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 00:52:33,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 00:52:33,872 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 00:52:33,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 00:52:33,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 00:52:33,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 00:52:33,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 00:52:33,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 00:52:33,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 00:52:33,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 00:52:33,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 00:52:33,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 00:52:33,873 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 00:52:33,873 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 00:52:33,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 00:52:33,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 00:52:33,874 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 00:52:33,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 00:52:33,874 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 00:52:33,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 00:52:34,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 00:52:34,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 00:52:34,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 00:52:34,103 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 00:52:34,104 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 00:52:34,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i [2023-05-20 00:52:34,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56105e1f2/becf6211f6e447e0aec5168be80cefe0/FLAG7a9421462 [2023-05-20 00:52:34,639 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 00:52:34,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i [2023-05-20 00:52:34,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56105e1f2/becf6211f6e447e0aec5168be80cefe0/FLAG7a9421462 [2023-05-20 00:52:35,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56105e1f2/becf6211f6e447e0aec5168be80cefe0 [2023-05-20 00:52:35,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 00:52:35,143 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 00:52:35,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 00:52:35,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 00:52:35,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 00:52:35,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 12:52:35" (1/1) ... [2023-05-20 00:52:35,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9b4a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35, skipping insertion in model container [2023-05-20 00:52:35,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 12:52:35" (1/1) ... [2023-05-20 00:52:35,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 00:52:35,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 00:52:35,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2023-05-20 00:52:35,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 00:52:35,486 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 00:52:35,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2023-05-20 00:52:35,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 00:52:35,555 INFO L208 MainTranslator]: Completed translation [2023-05-20 00:52:35,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35 WrapperNode [2023-05-20 00:52:35,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 00:52:35,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 00:52:35,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 00:52:35,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 00:52:35,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35" (1/1) ... [2023-05-20 00:52:35,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35" (1/1) ... [2023-05-20 00:52:35,616 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 187 [2023-05-20 00:52:35,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 00:52:35,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 00:52:35,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 00:52:35,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 00:52:35,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35" (1/1) ... [2023-05-20 00:52:35,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35" (1/1) ... [2023-05-20 00:52:35,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35" (1/1) ... [2023-05-20 00:52:35,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35" (1/1) ... [2023-05-20 00:52:35,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35" (1/1) ... [2023-05-20 00:52:35,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35" (1/1) ... [2023-05-20 00:52:35,657 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35" (1/1) ... [2023-05-20 00:52:35,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35" (1/1) ... [2023-05-20 00:52:35,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 00:52:35,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 00:52:35,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 00:52:35,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 00:52:35,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35" (1/1) ... [2023-05-20 00:52:35,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 00:52:35,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:52:35,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 00:52:35,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 00:52:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 00:52:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-05-20 00:52:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-05-20 00:52:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 00:52:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 00:52:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 00:52:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 00:52:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 00:52:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 00:52:35,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 00:52:35,729 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 00:52:35,874 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 00:52:35,876 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 00:52:36,109 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 00:52:36,283 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 00:52:36,283 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-20 00:52:36,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 12:52:36 BoogieIcfgContainer [2023-05-20 00:52:36,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 00:52:36,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 00:52:36,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 00:52:36,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 00:52:36,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 12:52:35" (1/3) ... [2023-05-20 00:52:36,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a7f16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 12:52:36, skipping insertion in model container [2023-05-20 00:52:36,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 12:52:35" (2/3) ... [2023-05-20 00:52:36,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a7f16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 12:52:36, skipping insertion in model container [2023-05-20 00:52:36,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 12:52:36" (3/3) ... [2023-05-20 00:52:36,305 INFO L112 eAbstractionObserver]: Analyzing ICFG 26_stack_cas_longest-2.i [2023-05-20 00:52:36,313 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 00:52:36,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 00:52:36,321 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 00:52:36,321 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 00:52:36,418 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 00:52:36,474 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 00:52:36,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 00:52:36,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:52:36,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 00:52:36,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 00:52:36,510 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 00:52:36,536 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2023-05-20 00:52:36,545 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;@6ddd5176, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 00:52:36,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 00:52:36,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:52:36,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:52:36,725 INFO L85 PathProgramCache]: Analyzing trace with hash -881766732, now seen corresponding path program 1 times [2023-05-20 00:52:36,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:52:36,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358407861] [2023-05-20 00:52:36,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:52:36,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:52:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:52:36,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 00:52:36,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:52:36,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358407861] [2023-05-20 00:52:36,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358407861] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:52:36,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 00:52:36,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 00:52:37,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283479158] [2023-05-20 00:52:37,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:52:37,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 00:52:37,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:52:37,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 00:52:37,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 00:52:37,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:52:37,033 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:52:37,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.0) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:52:37,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:52:37,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:52:37,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 00:52:37,119 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:52:37,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:52:37,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1733584495, now seen corresponding path program 1 times [2023-05-20 00:52:37,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:52:37,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293538534] [2023-05-20 00:52:37,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:52:37,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:52:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:52:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 00:52:38,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:52:38,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293538534] [2023-05-20 00:52:38,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293538534] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:52:38,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 00:52:38,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-05-20 00:52:38,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022625600] [2023-05-20 00:52:38,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:52:38,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-20 00:52:38,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:52:38,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-20 00:52:38,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-05-20 00:52:38,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:52:38,269 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:52:38,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.588235294117647) internal successors, (95), 18 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:52:38,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:52:38,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:52:38,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:52:38,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:52:38,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 00:52:38,736 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:52:38,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:52:38,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1863350831, now seen corresponding path program 1 times [2023-05-20 00:52:38,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:52:38,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134092183] [2023-05-20 00:52:38,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:52:38,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:52:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:52:39,636 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 00:52:39,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:52:39,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134092183] [2023-05-20 00:52:39,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134092183] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:52:39,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652042621] [2023-05-20 00:52:39,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:52:39,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:52:39,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:52:39,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:52:39,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 00:52:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:52:39,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 57 conjunts are in the unsatisfiable core [2023-05-20 00:52:39,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:52:40,543 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2023-05-20 00:52:40,544 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2023-05-20 00:52:40,565 INFO L356 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2023-05-20 00:52:40,565 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2023-05-20 00:52:40,583 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 8 treesize of output 7 [2023-05-20 00:52:40,612 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 8 treesize of output 7 [2023-05-20 00:52:40,631 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 16 treesize of output 5 [2023-05-20 00:52:40,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 51 [2023-05-20 00:52:40,669 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 00:52:40,671 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 00:52:40,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2023-05-20 00:52:40,713 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 5 treesize of output 3 [2023-05-20 00:52:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 00:52:41,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:52:43,093 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= |c_thr1Thread1of1ForFork0_push_~oldTop~0#1| (select .cse1 |c_~#top~0.offset|)))) (and (or (forall ((v_ArrVal_152 (Array Int Int)) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_5| Int)) (not (= (select (select (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_5| v_ArrVal_152) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) .cse0) (or (forall ((v_ArrVal_154 (Array Int Int)) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_5| Int)) (not (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| |c_thr1Thread1of1ForFork0_push_~newTop~0#1|)) |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_5| (store (select (store |c_#memory_int| |c_~#top~0.base| v_ArrVal_154) |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_5|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| 1)) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not .cse0))))) is different from false [2023-05-20 00:52:45,130 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse1 (= (select .cse0 |c_~#top~0.offset|) |c_thr1Thread1of1ForFork0_push_#t~mem8#1|))) (and (or (forall ((v_ArrVal_154 (Array Int Int)) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_5| Int)) (not (= (select (select (store (store |c_#memory_int| |c_~#top~0.base| (store .cse0 |c_~#top~0.offset| |c_thr1Thread1of1ForFork0_push_~newTop~0#1|)) |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_5| (store (select (store |c_#memory_int| |c_~#top~0.base| v_ArrVal_154) |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_5|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| 1)) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not .cse1)) (or .cse1 (forall ((v_ArrVal_152 (Array Int Int)) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_5| Int)) (not (= (select (select (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_5| v_ArrVal_152) |c_~#top~0.base|) |c_~#top~0.offset|) 0))))))) is different from false [2023-05-20 00:52:45,155 INFO L356 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2023-05-20 00:52:45,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 56 treesize of output 67 [2023-05-20 00:52:45,162 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:52:45,162 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 42 [2023-05-20 00:52:45,171 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:52:45,171 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 82 treesize of output 82 [2023-05-20 00:52:45,180 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:52:45,180 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 60 treesize of output 64 [2023-05-20 00:52:45,215 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 23 treesize of output 21 [2023-05-20 00:52:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 4 not checked. [2023-05-20 00:52:45,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652042621] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 00:52:45,657 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 00:52:45,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 12] total 40 [2023-05-20 00:52:45,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132769464] [2023-05-20 00:52:45,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 00:52:45,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-05-20 00:52:45,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:52:45,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-05-20 00:52:45,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1304, Unknown=2, NotChecked=150, Total=1640 [2023-05-20 00:52:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:52:45,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:52:45,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 9.875) internal successors, (395), 41 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:52:45,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:52:45,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:52:45,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:53:04,115 WARN L233 SmtUtils]: Spent 18.11s on a formula simplification. DAG size of input: 57 DAG size of output: 35 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 00:54:16,746 WARN L233 SmtUtils]: Spent 8.39s on a formula simplification. DAG size of input: 47 DAG size of output: 30 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 00:54:37,045 WARN L233 SmtUtils]: Spent 10.65s on a formula simplification. DAG size of input: 54 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 00:55:51,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:55:51,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:55:51,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-20 00:55:51,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 00:55:51,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-20 00:55:51,858 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:55:51,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:55:51,859 INFO L85 PathProgramCache]: Analyzing trace with hash 481697734, now seen corresponding path program 1 times [2023-05-20 00:55:51,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:55:51,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141829504] [2023-05-20 00:55:51,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:55:51,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:55:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:55:52,125 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-05-20 00:55:52,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:55:52,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141829504] [2023-05-20 00:55:52,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141829504] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:55:52,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 00:55:52,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 00:55:52,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855114431] [2023-05-20 00:55:52,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:55:52,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 00:55:52,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:55:52,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 00:55:52,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 00:55:52,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:55:52,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:55:52,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 5 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:55:52,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:55:52,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:55:52,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-20 00:55:52,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:55:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:55:52,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:55:52,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-20 00:55:52,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:55:52,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 00:55:52,661 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:55:52,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:55:52,662 INFO L85 PathProgramCache]: Analyzing trace with hash -838704809, now seen corresponding path program 1 times [2023-05-20 00:55:52,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:55:52,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508182324] [2023-05-20 00:55:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:55:52,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:55:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:55:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 336 proven. 80 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 00:55:52,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:55:52,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508182324] [2023-05-20 00:55:52,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508182324] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:55:52,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473424891] [2023-05-20 00:55:52,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:55:52,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:55:52,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:55:52,977 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:55:52,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 00:55:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:55:53,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 00:55:53,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:55:53,398 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 389 proven. 27 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 00:55:53,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:55:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 389 proven. 27 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 00:55:53,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473424891] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 00:55:53,675 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 00:55:53,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18 [2023-05-20 00:55:53,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632467180] [2023-05-20 00:55:53,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 00:55:53,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-20 00:55:53,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:55:53,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-20 00:55:53,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2023-05-20 00:55:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:55:53,677 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:55:53,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 27.5) internal successors, (495), 18 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:55:53,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:55:53,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:55:53,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-20 00:55:53,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:55:53,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:55:54,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:55:54,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:55:54,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-20 00:55:54,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:55:54,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:55:54,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 00:55:54,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:55:54,334 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:55:54,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:55:54,334 INFO L85 PathProgramCache]: Analyzing trace with hash -318273728, now seen corresponding path program 1 times [2023-05-20 00:55:54,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:55:54,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312635898] [2023-05-20 00:55:54,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:55:54,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:55:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:55:54,790 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2023-05-20 00:55:54,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:55:54,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312635898] [2023-05-20 00:55:54,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312635898] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:55:54,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 00:55:54,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 00:55:54,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670000267] [2023-05-20 00:55:54,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:55:54,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 00:55:54,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:55:54,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 00:55:54,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 00:55:54,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:55:54,792 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:55:54,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:55:54,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:55:54,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:55:54,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-20 00:55:54,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:55:54,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:55:54,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:57:15,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:57:15,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:57:15,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 00:57:15,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:57:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:57:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:57:15,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 00:57:15,315 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:57:15,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:57:15,315 INFO L85 PathProgramCache]: Analyzing trace with hash 2029361201, now seen corresponding path program 2 times [2023-05-20 00:57:15,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:57:15,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728376051] [2023-05-20 00:57:15,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:57:15,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:57:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:57:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 00:57:15,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:57:15,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728376051] [2023-05-20 00:57:15,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728376051] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:57:15,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030163881] [2023-05-20 00:57:15,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 00:57:15,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:57:15,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:57:15,946 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:57:15,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 00:57:16,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-20 00:57:16,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 00:57:16,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 58 conjunts are in the unsatisfiable core [2023-05-20 00:57:16,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:57:16,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-20 00:57:16,537 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2023-05-20 00:57:16,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2023-05-20 00:57:16,560 INFO L356 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2023-05-20 00:57:16,561 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2023-05-20 00:57:16,570 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 8 treesize of output 7 [2023-05-20 00:57:16,590 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 8 treesize of output 7 [2023-05-20 00:57:16,601 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 17 [2023-05-20 00:57:16,619 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 8 treesize of output 7 [2023-05-20 00:57:22,764 WARN L233 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 30 DAG size of output: 29 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 00:57:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 00:57:23,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:57:23,248 INFO L356 Elim1Store]: treesize reduction 26, result has 65.3 percent of original size [2023-05-20 00:57:23,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 78 treesize of output 111 [2023-05-20 00:57:23,261 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:57:23,261 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 52 [2023-05-20 00:57:23,313 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 6 treesize of output 4 [2023-05-20 00:57:23,384 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:57:23,385 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 261 treesize of output 257 [2023-05-20 00:57:23,407 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:57:23,407 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 221 treesize of output 226 [2023-05-20 00:57:23,429 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2023-05-20 00:57:23,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 217 treesize of output 230 [2023-05-20 00:57:23,444 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:57:23,445 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 212 treesize of output 217 [2023-05-20 00:57:23,522 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 6 treesize of output 4 [2023-05-20 00:57:23,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 00:57:23,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030163881] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 00:57:23,798 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 00:57:23,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 11] total 34 [2023-05-20 00:57:23,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898046380] [2023-05-20 00:57:23,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 00:57:23,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-05-20 00:57:23,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:57:23,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-05-20 00:57:23,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1046, Unknown=0, NotChecked=0, Total=1190 [2023-05-20 00:57:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:57:23,800 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:57:23,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 7.676470588235294) internal successors, (261), 35 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:57:23,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:57:23,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:57:23,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 00:57:23,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:57:23,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:57:23,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:57:23,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:57:36,228 WARN L233 SmtUtils]: Spent 12.11s on a formula simplification. DAG size of input: 39 DAG size of output: 38 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 00:57:36,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:57:36,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:57:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 00:57:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:57:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:57:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:57:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:57:36,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 00:57:36,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:57:36,717 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:57:36,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:57:36,718 INFO L85 PathProgramCache]: Analyzing trace with hash -518279615, now seen corresponding path program 3 times [2023-05-20 00:57:36,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:57:36,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816436352] [2023-05-20 00:57:36,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:57:36,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:57:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:57:37,540 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 00:57:37,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:57:37,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816436352] [2023-05-20 00:57:37,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816436352] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:57:37,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789823464] [2023-05-20 00:57:37,541 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 00:57:37,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:57:37,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:57:37,542 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:57:37,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 00:57:37,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-05-20 00:57:37,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 00:57:37,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 60 conjunts are in the unsatisfiable core [2023-05-20 00:57:37,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:57:37,761 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 00:57:37,761 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 [2023-05-20 00:57:38,299 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2023-05-20 00:57:38,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2023-05-20 00:57:38,319 INFO L356 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2023-05-20 00:57:38,319 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2023-05-20 00:57:38,325 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 8 treesize of output 7 [2023-05-20 00:57:38,337 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 8 treesize of output 7 [2023-05-20 00:57:38,359 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 83 [2023-05-20 00:57:38,380 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 00:57:38,381 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2023-05-20 00:57:38,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2023-05-20 00:57:38,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 00:57:38,394 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2023-05-20 00:57:38,412 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 5 treesize of output 3 [2023-05-20 00:57:38,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 00:57:38,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 00:57:38,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:57:38,685 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= |c_thr1Thread1of1ForFork0_push_~oldTop~0#1| (select .cse1 |c_~#top~0.offset|)))) (and (or (not .cse0) (forall ((v_ArrVal_636 (Array Int Int)) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_16| Int) (v_ArrVal_632 (Array Int Int))) (not (= (select (select (store (store (store |c_#memory_int| |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| |c_thr1Thread1of1ForFork0_push_~newTop~0#1|)) |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_16| (store (select (store |c_#memory_int| |c_~#top~0.base| v_ArrVal_632) |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_16|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_636) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))) (or (forall ((v_ArrVal_636 (Array Int Int)) (v_ArrVal_635 (Array Int Int)) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_16| Int)) (not (= (select (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_16| v_ArrVal_635) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_636) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) .cse0)))) is different from false [2023-05-20 00:57:38,733 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= (select .cse1 |c_~#top~0.offset|) |c_thr1Thread1of1ForFork0_push_#t~mem8#1|))) (and (or .cse0 (forall ((v_ArrVal_636 (Array Int Int)) (v_ArrVal_635 (Array Int Int)) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_16| Int)) (not (= (select (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_16| v_ArrVal_635) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_636) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))) (or (forall ((v_ArrVal_636 (Array Int Int)) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_16| Int) (v_ArrVal_632 (Array Int Int))) (not (= (select (select (store (store (store |c_#memory_int| |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| |c_thr1Thread1of1ForFork0_push_~newTop~0#1|)) |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_16| (store (select (store |c_#memory_int| |c_~#top~0.base| v_ArrVal_632) |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_16|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_636) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not .cse0))))) is different from false [2023-05-20 00:57:38,756 INFO L356 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2023-05-20 00:57:38,757 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 73 [2023-05-20 00:57:38,767 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:57:38,767 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 218 treesize of output 216 [2023-05-20 00:57:38,773 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 185 treesize of output 173 [2023-05-20 00:57:38,777 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 173 treesize of output 171 [2023-05-20 00:57:39,294 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:57:39,295 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 42 [2023-05-20 00:57:39,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 00:57:39,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789823464] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 00:57:39,310 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 00:57:39,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 14] total 43 [2023-05-20 00:57:39,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889936861] [2023-05-20 00:57:39,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 00:57:39,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-20 00:57:39,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:57:39,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-20 00:57:39,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1553, Unknown=5, NotChecked=162, Total=1892 [2023-05-20 00:57:39,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:57:39,312 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:57:39,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 5.116279069767442) internal successors, (220), 44 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 00:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:57:39,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:12,159 WARN L233 SmtUtils]: Spent 32.38s on a formula simplification. DAG size of input: 69 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 00:58:14,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:14,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:14,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 00:58:14,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:58:14,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:58:14,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:58:14,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:14,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:58:14,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 00:58:15,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:58:15,001 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:58:15,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:58:15,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1005606053, now seen corresponding path program 2 times [2023-05-20 00:58:15,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:58:15,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934519343] [2023-05-20 00:58:15,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:58:15,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:58:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:58:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 00:58:15,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:58:15,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934519343] [2023-05-20 00:58:15,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934519343] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:58:15,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270768787] [2023-05-20 00:58:15,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 00:58:15,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:58:15,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:58:15,717 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:58:15,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 00:58:15,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-20 00:58:15,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 00:58:15,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 49 conjunts are in the unsatisfiable core [2023-05-20 00:58:15,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:58:16,190 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 11 treesize of output 7 [2023-05-20 00:58:16,210 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2023-05-20 00:58:16,210 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2023-05-20 00:58:16,214 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2023-05-20 00:58:16,240 INFO L356 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2023-05-20 00:58:16,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 68 [2023-05-20 00:58:16,262 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2023-05-20 00:58:16,266 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 5 treesize of output 3 [2023-05-20 00:58:16,288 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 8 treesize of output 7 [2023-05-20 00:58:16,295 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 51 [2023-05-20 00:58:16,324 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 00:58:16,326 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 00:58:16,328 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 42 [2023-05-20 00:58:16,343 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 5 treesize of output 3 [2023-05-20 00:58:16,664 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-20 00:58:16,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 00:58:16,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270768787] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:58:16,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 00:58:16,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 24 [2023-05-20 00:58:16,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293158674] [2023-05-20 00:58:16,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:58:16,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 00:58:16,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:58:16,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 00:58:16,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2023-05-20 00:58:16,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:16,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:58:16,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.3) internal successors, (133), 11 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:58:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 00:58:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:58:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:58:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:58:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:58:16,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:16,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:16,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:16,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 00:58:16,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:58:16,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:58:16,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:58:16,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:16,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:58:16,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 00:58:16,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 00:58:17,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:58:17,095 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:58:17,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:58:17,095 INFO L85 PathProgramCache]: Analyzing trace with hash -263456374, now seen corresponding path program 2 times [2023-05-20 00:58:17,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:58:17,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258712322] [2023-05-20 00:58:17,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:58:17,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:58:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:58:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 57 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 00:58:17,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:58:17,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258712322] [2023-05-20 00:58:17,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258712322] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:58:17,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619027384] [2023-05-20 00:58:17,756 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 00:58:17,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:58:17,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:58:17,757 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:58:17,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 00:58:17,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-20 00:58:17,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 00:58:17,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 53 conjunts are in the unsatisfiable core [2023-05-20 00:58:17,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:58:18,348 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-05-20 00:58:18,350 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 1 case distinctions, treesize of input 27 treesize of output 19 [2023-05-20 00:58:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-20 00:58:18,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:58:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-20 00:58:18,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619027384] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 00:58:18,703 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 00:58:18,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 5] total 29 [2023-05-20 00:58:18,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212626108] [2023-05-20 00:58:18,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 00:58:18,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-20 00:58:18,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:58:18,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-20 00:58:18,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=726, Unknown=4, NotChecked=0, Total=870 [2023-05-20 00:58:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:18,704 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:58:18,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 13.620689655172415) internal successors, (395), 30 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:58:18,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:18,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:18,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 00:58:18,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:58:18,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:58:18,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:58:18,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:18,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:58:18,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 00:58:18,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 00:58:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:58:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:58:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:58:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:58:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 00:58:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:58:19,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 00:58:19,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:58:19,465 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:58:19,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:58:19,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1542034763, now seen corresponding path program 3 times [2023-05-20 00:58:19,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:58:19,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652877148] [2023-05-20 00:58:19,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:58:19,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:58:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:58:20,298 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 00:58:20,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:58:20,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652877148] [2023-05-20 00:58:20,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652877148] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:58:20,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736090502] [2023-05-20 00:58:20,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 00:58:20,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:58:20,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:58:20,300 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:58:20,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 00:58:20,436 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2023-05-20 00:58:20,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 00:58:20,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 51 conjunts are in the unsatisfiable core [2023-05-20 00:58:20,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:58:20,505 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 00:58:20,505 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 [2023-05-20 00:58:21,025 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2023-05-20 00:58:21,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2023-05-20 00:58:21,044 INFO L356 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2023-05-20 00:58:21,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2023-05-20 00:58:21,053 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 8 treesize of output 7 [2023-05-20 00:58:21,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 6 [2023-05-20 00:58:21,097 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 8 treesize of output 7 [2023-05-20 00:58:21,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 79 [2023-05-20 00:58:21,140 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 00:58:21,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 78 [2023-05-20 00:58:21,151 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 9 treesize of output 7 [2023-05-20 00:58:21,345 INFO L356 Elim1Store]: treesize reduction 36, result has 42.9 percent of original size [2023-05-20 00:58:21,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 202 treesize of output 206 [2023-05-20 00:58:21,351 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 00:58:21,354 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 148 treesize of output 146 [2023-05-20 00:58:21,362 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 00:58:21,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 140 [2023-05-20 00:58:21,414 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 7 treesize of output 5 [2023-05-20 00:58:21,429 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 7 treesize of output 5 [2023-05-20 00:58:21,672 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-20 00:58:21,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:58:21,709 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_951 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_951) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2023-05-20 00:58:23,741 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= |c_thr1Thread1of1ForFork0_push_~oldTop~0#1| (select .cse1 |c_~#top~0.offset|)))) (and (or (not .cse0) (forall ((v_ArrVal_949 (Array Int Int)) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_20| Int) (v_ArrVal_951 (Array Int Int))) (not (= (select (select (store (store (store |c_#memory_int| |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| |c_thr1Thread1of1ForFork0_push_~newTop~0#1|)) |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_20| (store (select (store |c_#memory_int| |c_~#top~0.base| v_ArrVal_949) |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_20|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_951) |c_~#top~0.base|) |c_~#top~0.offset|) 0)))) (or (forall ((v_ArrVal_947 (Array Int Int)) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_20| Int) (v_ArrVal_951 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_20| v_ArrVal_947) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_951) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) .cse0)))) is different from false [2023-05-20 00:58:23,771 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= (select .cse1 |c_~#top~0.offset|) |c_thr1Thread1of1ForFork0_push_#t~mem8#1|))) (and (or (forall ((v_ArrVal_947 (Array Int Int)) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_20| Int) (v_ArrVal_951 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_20| v_ArrVal_947) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_951) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) .cse0) (or (forall ((v_ArrVal_949 (Array Int Int)) (|v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_20| Int) (v_ArrVal_951 (Array Int Int))) (not (= (select (select (store (store (store |c_#memory_int| |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| |c_thr1Thread1of1ForFork0_push_~newTop~0#1|)) |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_20| (store (select (store |c_#memory_int| |c_~#top~0.base| v_ArrVal_949) |v_thr1Thread1of1ForFork0___VERIFIER_atomic_CAS_~r#1.base_20|) |c_thr1Thread1of1ForFork0_push_~#casret~0#1.offset| 1)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_951) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) (not .cse0))))) is different from false [2023-05-20 00:58:23,793 INFO L356 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2023-05-20 00:58:23,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 73 [2023-05-20 00:58:23,799 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:58:23,799 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 48 [2023-05-20 00:58:23,809 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:58:23,809 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 215 treesize of output 213 [2023-05-20 00:58:23,815 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 182 treesize of output 170 [2023-05-20 00:58:23,823 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:58:23,823 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 177 treesize of output 181 [2023-05-20 00:58:23,838 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 112 treesize of output 108 [2023-05-20 00:58:24,199 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:58:24,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 42 [2023-05-20 00:58:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 5 not checked. [2023-05-20 00:58:24,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736090502] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 00:58:24,216 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 00:58:24,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 13, 10] total 38 [2023-05-20 00:58:24,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568433857] [2023-05-20 00:58:24,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 00:58:24,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-20 00:58:24,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:58:24,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-20 00:58:24,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=1082, Unknown=3, NotChecked=210, Total=1482 [2023-05-20 00:58:24,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:24,218 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:58:24,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 9.342105263157896) internal successors, (355), 39 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:58:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 00:58:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:58:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:58:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:58:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:58:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 00:58:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:58:24,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:32,631 WARN L233 SmtUtils]: Spent 8.14s on a formula simplification. DAG size of input: 55 DAG size of output: 40 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 00:58:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-20 00:58:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:58:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:58:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:58:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:58:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 00:58:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:58:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 00:58:33,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 00:58:33,437 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,SelfDestructingSolverStorable10 [2023-05-20 00:58:33,437 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:58:33,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:58:33,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1090081911, now seen corresponding path program 4 times [2023-05-20 00:58:33,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:58:33,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081211557] [2023-05-20 00:58:33,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:58:33,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:58:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:58:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 00:58:34,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:58:34,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081211557] [2023-05-20 00:58:34,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081211557] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:58:34,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405221904] [2023-05-20 00:58:34,243 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 00:58:34,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:58:34,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:58:34,245 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:58:34,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 00:58:34,483 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 00:58:34,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 00:58:34,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 62 conjunts are in the unsatisfiable core [2023-05-20 00:58:34,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:58:34,558 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 00:58:34,559 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 [2023-05-20 00:58:35,320 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2023-05-20 00:58:35,320 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2023-05-20 00:58:35,345 INFO L356 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2023-05-20 00:58:35,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 71 [2023-05-20 00:58:35,357 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 8 treesize of output 7 [2023-05-20 00:58:35,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 6 [2023-05-20 00:58:35,388 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 8 treesize of output 7 [2023-05-20 00:58:35,402 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 8 treesize of output 7 [2023-05-20 00:58:35,543 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2023-05-20 00:58:35,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 57 [2023-05-20 00:58:35,549 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2023-05-20 00:58:35,745 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 00:58:35,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:58:44,242 INFO L356 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2023-05-20 00:58:44,243 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 73 [2023-05-20 00:58:44,248 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:58:44,248 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 48 [2023-05-20 00:58:44,257 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:58:44,257 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 146 treesize of output 146 [2023-05-20 00:58:44,263 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 117 treesize of output 109 [2023-05-20 00:58:44,270 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:58:44,270 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 116 treesize of output 120 [2023-05-20 00:58:44,285 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 51 treesize of output 49 [2023-05-20 00:58:46,977 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:58:46,978 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 42 [2023-05-20 00:58:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 00:58:46,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405221904] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 00:58:46,986 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 00:58:46,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18, 15] total 47 [2023-05-20 00:58:46,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57603427] [2023-05-20 00:58:46,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 00:58:46,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-20 00:58:46,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:58:46,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-20 00:58:46,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1993, Unknown=52, NotChecked=0, Total=2256 [2023-05-20 00:58:46,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:46,987 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:58:46,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 7.404255319148936) internal successors, (348), 48 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:58:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:58:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-20 00:58:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:58:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:58:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:58:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:58:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:58:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 00:58:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:58:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-20 00:58:46,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:59:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-05-20 00:59:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:59:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:59:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 00:59:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 00:59:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 00:59:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 00:59:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-20 00:59:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-20 00:59:16,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-20 00:59:16,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 00:59:16,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:59:16,368 INFO L444 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1, 1] [2023-05-20 00:59:16,369 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2023-05-20 00:59:16,372 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 00:59:16,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 00:59:16,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:59:16,373 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 00:59:16,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2023-05-20 00:59:16,379 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 00:59:16,380 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 00:59:16,380 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;@6ddd5176, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 00:59:16,380 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 00:59:16,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 00:59:16,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:16,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1737477121, now seen corresponding path program 1 times [2023-05-20 00:59:16,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:16,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608751629] [2023-05-20 00:59:16,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:16,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 00:59:16,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-20 00:59:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 00:59:16,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-20 00:59:16,479 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-20 00:59:16,480 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-05-20 00:59:16,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-05-20 00:59:16,482 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2023-05-20 00:59:16,482 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2023-05-20 00:59:16,483 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-05-20 00:59:16,483 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-05-20 00:59:16,528 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 00:59:16,534 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 00:59:16,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 00:59:16,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:59:16,536 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 00:59:16,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2023-05-20 00:59:16,539 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 00:59:16,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 00:59:16,540 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;@6ddd5176, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 00:59:16,540 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 00:59:16,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 00:59:16,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:16,631 INFO L85 PathProgramCache]: Analyzing trace with hash -557168511, now seen corresponding path program 1 times [2023-05-20 00:59:16,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:16,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3314346] [2023-05-20 00:59:16,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:16,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:16,659 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 00:59:16,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:16,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3314346] [2023-05-20 00:59:16,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3314346] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:59:16,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 00:59:16,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 00:59:16,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088406342] [2023-05-20 00:59:16,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:59:16,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 00:59:16,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:16,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 00:59:16,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-20 00:59:16,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:16,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:16,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:16,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:16,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:16,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-05-20 00:59:16,709 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 00:59:16,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:16,709 INFO L85 PathProgramCache]: Analyzing trace with hash 18300672, now seen corresponding path program 1 times [2023-05-20 00:59:16,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:16,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019324379] [2023-05-20 00:59:16,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:16,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:16,739 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 00:59:16,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:16,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019324379] [2023-05-20 00:59:16,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019324379] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:59:16,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 00:59:16,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 00:59:16,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134887146] [2023-05-20 00:59:16,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:59:16,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 00:59:16,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:16,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 00:59:16,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-20 00:59:16,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:16,740 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:16,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:16,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:16,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:16,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:16,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:16,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-05-20 00:59:16,765 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 00:59:16,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:16,765 INFO L85 PathProgramCache]: Analyzing trace with hash -678163255, now seen corresponding path program 1 times [2023-05-20 00:59:16,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:16,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462512903] [2023-05-20 00:59:16,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:16,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 00:59:16,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:16,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462512903] [2023-05-20 00:59:16,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462512903] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:59:16,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 00:59:16,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 00:59:16,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728660943] [2023-05-20 00:59:16,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:59:16,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 00:59:16,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:16,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 00:59:16,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-20 00:59:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:16,852 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:16,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:16,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:16,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:16,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:16,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:16,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-05-20 00:59:16,885 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 00:59:16,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:16,885 INFO L85 PathProgramCache]: Analyzing trace with hash 491538019, now seen corresponding path program 1 times [2023-05-20 00:59:16,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:16,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572794416] [2023-05-20 00:59:16,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:16,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 00:59:17,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:17,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572794416] [2023-05-20 00:59:17,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572794416] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:59:17,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660217850] [2023-05-20 00:59:17,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:17,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:59:17,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:59:17,114 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:59:17,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 00:59:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:17,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-20 00:59:17,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:59:17,309 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 00:59:17,310 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 [2023-05-20 00:59:17,421 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 11 treesize of output 7 [2023-05-20 00:59:17,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 00:59:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-20 00:59:17,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 00:59:17,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660217850] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:59:17,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 00:59:17,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2023-05-20 00:59:17,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587622645] [2023-05-20 00:59:17,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:59:17,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 00:59:17,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:17,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 00:59:17,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-05-20 00:59:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:17,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:17,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:17,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:17,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:17,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:17,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:17,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:17,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:17,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:17,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:17,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-20 00:59:17,765 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,SelfDestructingSolverStorable16 [2023-05-20 00:59:17,766 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 00:59:17,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:17,766 INFO L85 PathProgramCache]: Analyzing trace with hash 895744595, now seen corresponding path program 1 times [2023-05-20 00:59:17,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:17,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032658993] [2023-05-20 00:59:17,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:17,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 00:59:17,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:17,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032658993] [2023-05-20 00:59:17,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032658993] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:59:17,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011543274] [2023-05-20 00:59:17,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:17,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:59:17,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:59:18,009 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:59:18,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-20 00:59:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:18,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-20 00:59:18,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:59:18,234 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-20 00:59:18,234 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 [2023-05-20 00:59:18,296 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 11 treesize of output 7 [2023-05-20 00:59:18,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 00:59:18,369 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 00:59:18,393 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-20 00:59:18,431 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 00:59:18,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:59:18,454 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1191 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1191) |c_~#m2~0.base|) |c_~#m2~0.offset|) 0))) is different from false [2023-05-20 00:59:18,490 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:59:18,491 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 22 treesize of output 23 [2023-05-20 00:59:18,493 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 57 [2023-05-20 00:59:18,500 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 6 treesize of output 4 [2023-05-20 00:59:18,503 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 6 treesize of output 4 [2023-05-20 00:59:18,506 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 6 treesize of output 4 [2023-05-20 00:59:18,634 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 00:59:18,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 43 [2023-05-20 00:59:18,670 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 3 times theorem prover too weak. 0 trivial. 1 not checked. [2023-05-20 00:59:18,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011543274] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 00:59:18,671 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 00:59:18,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 24 [2023-05-20 00:59:18,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345844143] [2023-05-20 00:59:18,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 00:59:18,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-20 00:59:18,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:18,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-20 00:59:18,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=410, Unknown=3, NotChecked=42, Total=552 [2023-05-20 00:59:18,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:18,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:18,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.958333333333333) internal successors, (143), 24 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:18,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:18,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:18,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:18,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:18,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:18,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:18,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:18,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:18,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:18,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 00:59:18,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-20 00:59:19,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-20 00:59:19,113 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 00:59:19,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:19,113 INFO L85 PathProgramCache]: Analyzing trace with hash 279230830, now seen corresponding path program 1 times [2023-05-20 00:59:19,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:19,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470660418] [2023-05-20 00:59:19,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:19,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 00:59:19,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-20 00:59:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 00:59:19,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-20 00:59:19,168 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-20 00:59:19,168 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-05-20 00:59:19,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-05-20 00:59:19,169 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-05-20 00:59:19,169 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2023-05-20 00:59:19,169 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-05-20 00:59:19,169 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-05-20 00:59:19,209 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 00:59:19,211 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 00:59:19,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 00:59:19,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:59:19,213 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 00:59:19,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (15)] Waiting until timeout for monitored process [2023-05-20 00:59:19,215 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 00:59:19,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2023-05-20 00:59:19,217 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;@6ddd5176, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 00:59:19,217 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-20 00:59:19,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:59:19,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:19,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1971236885, now seen corresponding path program 1 times [2023-05-20 00:59:19,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:19,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816204028] [2023-05-20 00:59:19,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:19,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:19,482 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 00:59:19,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:19,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816204028] [2023-05-20 00:59:19,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816204028] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:59:19,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482839456] [2023-05-20 00:59:19,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:19,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:59:19,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:59:19,484 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:59:19,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-20 00:59:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:19,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 00:59:19,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:59:19,716 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 00:59:19,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 00:59:19,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482839456] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:59:19,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 00:59:19,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2023-05-20 00:59:19,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826359847] [2023-05-20 00:59:19,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:59:19,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 00:59:19,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:19,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 00:59:19,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-20 00:59:19,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:19,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:19,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:19,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:19,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:19,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-20 00:59:20,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:59:20,016 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:59:20,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:20,022 INFO L85 PathProgramCache]: Analyzing trace with hash 63854657, now seen corresponding path program 1 times [2023-05-20 00:59:20,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:20,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119538863] [2023-05-20 00:59:20,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:20,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:20,081 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 00:59:20,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:20,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119538863] [2023-05-20 00:59:20,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119538863] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:59:20,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085679548] [2023-05-20 00:59:20,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:20,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:59:20,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:59:20,084 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:59:20,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-20 00:59:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:20,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-20 00:59:20,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:59:20,379 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 00:59:20,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 00:59:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 00:59:20,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085679548] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 00:59:20,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 00:59:20,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 5] total 8 [2023-05-20 00:59:20,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656918922] [2023-05-20 00:59:20,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:59:20,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 00:59:20,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:20,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 00:59:20,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-20 00:59:20,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:20,427 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:20,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 5 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:20,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:20,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:20,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:20,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:20,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-20 00:59:20,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:59:20,685 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:59:20,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:20,685 INFO L85 PathProgramCache]: Analyzing trace with hash 317982643, now seen corresponding path program 1 times [2023-05-20 00:59:20,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:20,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240854045] [2023-05-20 00:59:20,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:20,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 00:59:20,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:20,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240854045] [2023-05-20 00:59:20,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240854045] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:59:20,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926117121] [2023-05-20 00:59:20,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:20,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:59:20,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:59:20,745 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:59:20,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-20 00:59:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:20,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-20 00:59:20,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:59:20,961 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 00:59:20,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 00:59:20,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926117121] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:59:20,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 00:59:20,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2023-05-20 00:59:20,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247141631] [2023-05-20 00:59:20,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:59:20,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 00:59:20,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:20,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 00:59:20,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-05-20 00:59:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:20,962 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:20,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:20,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:20,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:20,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:21,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-20 00:59:21,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:59:21,217 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:59:21,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:21,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1121034518, now seen corresponding path program 1 times [2023-05-20 00:59:21,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:21,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609379934] [2023-05-20 00:59:21,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:21,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-20 00:59:21,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:21,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609379934] [2023-05-20 00:59:21,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609379934] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:59:21,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522164603] [2023-05-20 00:59:21,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:21,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:59:21,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:59:21,263 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:59:21,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-20 00:59:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:21,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-20 00:59:21,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:59:21,532 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 00:59:21,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 00:59:21,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522164603] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:59:21,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 00:59:21,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2023-05-20 00:59:21,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666628910] [2023-05-20 00:59:21,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:59:21,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 00:59:21,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:21,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 00:59:21,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-05-20 00:59:21,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:21,534 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:21,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:21,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:21,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:21,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 00:59:21,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:30,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:30,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:30,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:30,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:30,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-05-20 00:59:30,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:59:30,413 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:59:30,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:30,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1910196434, now seen corresponding path program 1 times [2023-05-20 00:59:30,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:30,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468038592] [2023-05-20 00:59:30,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:30,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:30,478 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-05-20 00:59:30,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:30,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468038592] [2023-05-20 00:59:30,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468038592] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:59:30,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 00:59:30,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 00:59:30,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418088770] [2023-05-20 00:59:30,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:59:30,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 00:59:30,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:30,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 00:59:30,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 00:59:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:30,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:30,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:30,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:30,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:30,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:30,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:30,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:59:35,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-05-20 00:59:35,415 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:59:35,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:35,415 INFO L85 PathProgramCache]: Analyzing trace with hash -583308473, now seen corresponding path program 1 times [2023-05-20 00:59:35,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:35,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387702231] [2023-05-20 00:59:35,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:35,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:35,589 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-20 00:59:35,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:35,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387702231] [2023-05-20 00:59:35,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387702231] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 00:59:35,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931668295] [2023-05-20 00:59:35,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:35,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:59:35,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 00:59:35,591 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 00:59:35,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-20 00:59:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:35,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-20 00:59:35,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 00:59:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-05-20 00:59:35,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 00:59:35,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931668295] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:59:35,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 00:59:35,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-05-20 00:59:35,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719753705] [2023-05-20 00:59:35,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:59:35,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 00:59:35,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:35,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 00:59:35,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-05-20 00:59:35,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:35,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:35,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:35,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:35,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:35,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:35,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:35,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:59:35,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:41,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:41,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:41,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:41,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:41,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:59:41,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:59:41,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-05-20 00:59:41,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 00:59:41,318 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:59:41,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:41,319 INFO L85 PathProgramCache]: Analyzing trace with hash 417113330, now seen corresponding path program 1 times [2023-05-20 00:59:41,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:41,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922874623] [2023-05-20 00:59:41,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:41,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:41,480 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-05-20 00:59:41,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:41,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922874623] [2023-05-20 00:59:41,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922874623] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:59:41,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 00:59:41,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 00:59:41,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977611279] [2023-05-20 00:59:41,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:59:41,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 00:59:41,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:41,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 00:59:41,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 00:59:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:41,483 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:41,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 45.0) internal successors, (180), 5 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:41,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:41,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:41,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:41,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:41,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:59:41,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:59:41,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:46,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:59:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:59:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:46,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-05-20 00:59:46,662 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:59:46,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:46,663 INFO L85 PathProgramCache]: Analyzing trace with hash 952550560, now seen corresponding path program 1 times [2023-05-20 00:59:46,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:46,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660257396] [2023-05-20 00:59:46,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:46,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:46,744 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-05-20 00:59:46,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:46,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660257396] [2023-05-20 00:59:46,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660257396] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:59:46,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 00:59:46,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 00:59:46,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428672755] [2023-05-20 00:59:46,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:59:46,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 00:59:46,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:46,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 00:59:46,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 00:59:46,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:46,746 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:46,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:59:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:59:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:46,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:55,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:55,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:55,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:55,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:55,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:59:55,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:59:55,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:55,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:59:55,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-05-20 00:59:55,202 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-20 00:59:55,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 00:59:55,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1303662208, now seen corresponding path program 2 times [2023-05-20 00:59:55,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 00:59:55,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356391846] [2023-05-20 00:59:55,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 00:59:55,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 00:59:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 00:59:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-05-20 00:59:55,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 00:59:55,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356391846] [2023-05-20 00:59:55,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356391846] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 00:59:55,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 00:59:55,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 00:59:55,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91265267] [2023-05-20 00:59:55,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 00:59:55,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 00:59:55,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 00:59:55,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 00:59:55,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 00:59:55,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 00:59:55,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 00:59:55,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.833333333333336) internal successors, (221), 6 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 00:59:55,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:55,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-20 00:59:55,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:55,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 00:59:55,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:59:55,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 00:59:55,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 00:59:55,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 00:59:55,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-20 01:06:05,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-05-20 01:06:05,166 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-05-20 01:06:05,166 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-20 01:06:05,168 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2023-05-20 01:06:05,169 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread3of3ForFork0 was TIMEOUT (1/4) [2023-05-20 01:06:05,169 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2023-05-20 01:06:05,169 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 01:06:05,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 01:06:05 BasicIcfg [2023-05-20 01:06:05,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 01:06:05,173 INFO L158 Benchmark]: Toolchain (without parser) took 810030.28ms. Allocated memory was 257.9MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 228.3MB in the beginning and 6.5GB in the end (delta: -6.3GB). Peak memory consumption was 6.3GB. Max. memory is 8.0GB. [2023-05-20 01:06:05,174 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 185.6MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 01:06:05,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.40ms. Allocated memory is still 257.9MB. Free memory was 228.3MB in the beginning and 216.4MB in the end (delta: 11.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-20 01:06:05,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.75ms. Allocated memory is still 257.9MB. Free memory was 216.4MB in the beginning and 213.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 01:06:05,174 INFO L158 Benchmark]: Boogie Preprocessor took 42.79ms. Allocated memory is still 257.9MB. Free memory was 213.8MB in the beginning and 212.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 01:06:05,174 INFO L158 Benchmark]: RCFGBuilder took 625.16ms. Allocated memory is still 257.9MB. Free memory was 212.2MB in the beginning and 175.5MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-05-20 01:06:05,174 INFO L158 Benchmark]: TraceAbstraction took 808885.27ms. Allocated memory was 257.9MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 174.4MB in the beginning and 6.5GB in the end (delta: -6.3GB). Peak memory consumption was 6.2GB. Max. memory is 8.0GB. [2023-05-20 01:06:05,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 185.6MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 412.40ms. Allocated memory is still 257.9MB. Free memory was 228.3MB in the beginning and 216.4MB in the end (delta: 11.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.75ms. Allocated memory is still 257.9MB. Free memory was 216.4MB in the beginning and 213.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.79ms. Allocated memory is still 257.9MB. Free memory was 213.8MB in the beginning and 212.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 625.16ms. Allocated memory is still 257.9MB. Free memory was 212.2MB in the beginning and 175.5MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * TraceAbstraction took 808885.27ms. Allocated memory was 257.9MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 174.4MB in the beginning and 6.5GB in the end (delta: -6.3GB). Peak memory consumption was 6.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15212, independent: 14285, independent conditional: 11108, independent unconditional: 3177, dependent: 916, dependent conditional: 836, dependent unconditional: 80, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14471, independent: 14285, independent conditional: 11108, independent unconditional: 3177, dependent: 175, dependent conditional: 95, dependent unconditional: 80, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14471, independent: 14285, independent conditional: 11108, independent unconditional: 3177, dependent: 175, dependent conditional: 95, dependent unconditional: 80, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15213, independent: 14285, independent conditional: 41, independent unconditional: 14244, dependent: 917, dependent conditional: 690, dependent unconditional: 227, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15213, independent: 14285, independent conditional: 41, independent unconditional: 14244, dependent: 917, dependent conditional: 424, dependent unconditional: 493, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15213, independent: 14285, independent conditional: 41, independent unconditional: 14244, dependent: 917, dependent conditional: 424, dependent unconditional: 493, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2543, independent: 2340, independent conditional: 28, independent unconditional: 2312, dependent: 202, dependent conditional: 121, dependent unconditional: 81, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2543, independent: 2283, independent conditional: 0, independent unconditional: 2283, dependent: 260, dependent conditional: 0, dependent unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 260, independent: 57, independent conditional: 28, independent unconditional: 29, dependent: 202, dependent conditional: 121, dependent unconditional: 81, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, independent: 57, independent conditional: 28, independent unconditional: 29, dependent: 202, dependent conditional: 121, dependent unconditional: 81, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 799, independent: 180, independent conditional: 96, independent unconditional: 84, dependent: 616, dependent conditional: 429, dependent unconditional: 188, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15213, independent: 11945, independent conditional: 13, independent unconditional: 11932, dependent: 715, dependent conditional: 303, dependent unconditional: 412, unknown: 2553, unknown conditional: 160, unknown unconditional: 2393] , Statistics on independence cache: Total cache size (in pairs): 2542, Positive cache size: 2340, Positive conditional cache size: 28, Positive unconditional cache size: 2312, Negative cache size: 202, Negative conditional cache size: 121, Negative unconditional cache size: 81, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 266, Maximal queried relation: 10, Independence queries for same thread: 741 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 652, Number of trivial persistent sets: 626, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3257, independent: 3177, independent conditional: 0, independent unconditional: 3177, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15212, independent: 14285, independent conditional: 11108, independent unconditional: 3177, dependent: 916, dependent conditional: 836, dependent unconditional: 80, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14471, independent: 14285, independent conditional: 11108, independent unconditional: 3177, dependent: 175, dependent conditional: 95, dependent unconditional: 80, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14471, independent: 14285, independent conditional: 11108, independent unconditional: 3177, dependent: 175, dependent conditional: 95, dependent unconditional: 80, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15213, independent: 14285, independent conditional: 41, independent unconditional: 14244, dependent: 917, dependent conditional: 690, dependent unconditional: 227, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15213, independent: 14285, independent conditional: 41, independent unconditional: 14244, dependent: 917, dependent conditional: 424, dependent unconditional: 493, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15213, independent: 14285, independent conditional: 41, independent unconditional: 14244, dependent: 917, dependent conditional: 424, dependent unconditional: 493, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2543, independent: 2340, independent conditional: 28, independent unconditional: 2312, dependent: 202, dependent conditional: 121, dependent unconditional: 81, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2543, independent: 2283, independent conditional: 0, independent unconditional: 2283, dependent: 260, dependent conditional: 0, dependent unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 260, independent: 57, independent conditional: 28, independent unconditional: 29, dependent: 202, dependent conditional: 121, dependent unconditional: 81, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 260, independent: 57, independent conditional: 28, independent unconditional: 29, dependent: 202, dependent conditional: 121, dependent unconditional: 81, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 799, independent: 180, independent conditional: 96, independent unconditional: 84, dependent: 616, dependent conditional: 429, dependent unconditional: 188, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15213, independent: 11945, independent conditional: 13, independent unconditional: 11932, dependent: 715, dependent conditional: 303, dependent unconditional: 412, unknown: 2553, unknown conditional: 160, unknown unconditional: 2393] , Statistics on independence cache: Total cache size (in pairs): 2542, Positive cache size: 2340, Positive conditional cache size: 28, Positive unconditional cache size: 2312, Negative cache size: 202, Negative conditional cache size: 121, Negative unconditional cache size: 81, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 266, Maximal queried relation: 10, Independence queries for same thread: 741 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 787, independent: 762, independent conditional: 21, independent unconditional: 741, dependent: 25, dependent conditional: 19, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 769, independent: 762, independent conditional: 21, independent unconditional: 741, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 769, independent: 762, independent conditional: 21, independent unconditional: 741, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 769, independent: 762, independent conditional: 0, independent unconditional: 762, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 769, independent: 762, independent conditional: 0, independent unconditional: 762, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 769, independent: 762, independent conditional: 0, independent unconditional: 762, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 717, independent: 711, independent conditional: 0, independent unconditional: 711, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 717, independent: 708, independent conditional: 0, independent unconditional: 708, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 769, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 717, unknown conditional: 0, unknown unconditional: 717] , Statistics on independence cache: Total cache size (in pairs): 717, Positive cache size: 711, Positive conditional cache size: 0, Positive unconditional cache size: 711, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 18 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 45, Number of trivial persistent sets: 40, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 747, independent: 741, independent conditional: 0, independent unconditional: 741, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 787, independent: 762, independent conditional: 21, independent unconditional: 741, dependent: 25, dependent conditional: 19, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 769, independent: 762, independent conditional: 21, independent unconditional: 741, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 769, independent: 762, independent conditional: 21, independent unconditional: 741, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 769, independent: 762, independent conditional: 0, independent unconditional: 762, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 769, independent: 762, independent conditional: 0, independent unconditional: 762, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 769, independent: 762, independent conditional: 0, independent unconditional: 762, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 717, independent: 711, independent conditional: 0, independent unconditional: 711, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 717, independent: 708, independent conditional: 0, independent unconditional: 708, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 769, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 717, unknown conditional: 0, unknown unconditional: 717] , Statistics on independence cache: Total cache size (in pairs): 717, Positive cache size: 711, Positive conditional cache size: 0, Positive unconditional cache size: 711, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 18 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5834, independent: 5516, independent conditional: 656, independent unconditional: 4860, dependent: 318, dependent conditional: 280, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5568, independent: 5516, independent conditional: 656, independent unconditional: 4860, dependent: 52, dependent conditional: 14, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5568, independent: 5516, independent conditional: 656, independent unconditional: 4860, dependent: 52, dependent conditional: 14, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5597, independent: 5516, independent conditional: 3, independent unconditional: 5513, dependent: 81, dependent conditional: 26, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5597, independent: 5516, independent conditional: 3, independent unconditional: 5513, dependent: 81, dependent conditional: 9, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5597, independent: 5516, independent conditional: 3, independent unconditional: 5513, dependent: 81, dependent conditional: 9, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4738, independent: 4695, independent conditional: 2, independent unconditional: 4693, dependent: 43, dependent conditional: 5, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4738, independent: 4674, independent conditional: 0, independent unconditional: 4674, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 21, independent conditional: 2, independent unconditional: 19, dependent: 43, dependent conditional: 5, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 21, independent conditional: 2, independent unconditional: 19, dependent: 43, dependent conditional: 5, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, independent: 49, independent conditional: 4, independent unconditional: 45, dependent: 79, dependent conditional: 12, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5597, independent: 821, independent conditional: 1, independent unconditional: 820, dependent: 38, dependent conditional: 4, dependent unconditional: 34, unknown: 4738, unknown conditional: 7, unknown unconditional: 4731] , Statistics on independence cache: Total cache size (in pairs): 4738, Positive cache size: 4695, Positive conditional cache size: 2, Positive unconditional cache size: 4693, Negative cache size: 43, Negative conditional cache size: 5, Negative unconditional cache size: 38, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 5, Independence queries for same thread: 266 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 137, Number of trivial persistent sets: 94, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4898, independent: 4860, independent conditional: 0, independent unconditional: 4860, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5834, independent: 5516, independent conditional: 656, independent unconditional: 4860, dependent: 318, dependent conditional: 280, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5568, independent: 5516, independent conditional: 656, independent unconditional: 4860, dependent: 52, dependent conditional: 14, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5568, independent: 5516, independent conditional: 656, independent unconditional: 4860, dependent: 52, dependent conditional: 14, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5597, independent: 5516, independent conditional: 3, independent unconditional: 5513, dependent: 81, dependent conditional: 26, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5597, independent: 5516, independent conditional: 3, independent unconditional: 5513, dependent: 81, dependent conditional: 9, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5597, independent: 5516, independent conditional: 3, independent unconditional: 5513, dependent: 81, dependent conditional: 9, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4738, independent: 4695, independent conditional: 2, independent unconditional: 4693, dependent: 43, dependent conditional: 5, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4738, independent: 4674, independent conditional: 0, independent unconditional: 4674, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 21, independent conditional: 2, independent unconditional: 19, dependent: 43, dependent conditional: 5, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 21, independent conditional: 2, independent unconditional: 19, dependent: 43, dependent conditional: 5, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, independent: 49, independent conditional: 4, independent unconditional: 45, dependent: 79, dependent conditional: 12, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5597, independent: 821, independent conditional: 1, independent unconditional: 820, dependent: 38, dependent conditional: 4, dependent unconditional: 34, unknown: 4738, unknown conditional: 7, unknown unconditional: 4731] , Statistics on independence cache: Total cache size (in pairs): 4738, Positive cache size: 4695, Positive conditional cache size: 2, Positive unconditional cache size: 4693, Negative cache size: 43, Negative conditional cache size: 5, Negative unconditional cache size: 38, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17, Maximal queried relation: 5, Independence queries for same thread: 266 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9070036, independent: 7902117, independent conditional: 7847655, independent unconditional: 54462, dependent: 1167759, dependent conditional: 1167368, dependent unconditional: 391, unknown: 160, unknown conditional: 157, unknown unconditional: 3] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7967020, independent: 7902117, independent conditional: 7847655, independent unconditional: 54462, dependent: 64743, dependent conditional: 64352, dependent unconditional: 391, unknown: 160, unknown conditional: 157, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7967020, independent: 7902117, independent conditional: 7847655, independent unconditional: 54462, dependent: 64743, dependent conditional: 64352, dependent unconditional: 391, unknown: 160, unknown conditional: 157, unknown unconditional: 3] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8328042, independent: 7902117, independent conditional: 3531, independent unconditional: 7898586, dependent: 424660, dependent conditional: 356386, dependent unconditional: 68274, unknown: 1265, unknown conditional: 1105, unknown unconditional: 160] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8328042, independent: 7902117, independent conditional: 3531, independent unconditional: 7898586, dependent: 424660, dependent conditional: 0, dependent unconditional: 424660, unknown: 1265, unknown conditional: 0, unknown unconditional: 1265] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8328042, independent: 7902117, independent conditional: 3531, independent unconditional: 7898586, dependent: 424660, dependent conditional: 0, dependent unconditional: 424660, unknown: 1265, unknown conditional: 0, unknown unconditional: 1265] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35050, independent: 34646, independent conditional: 16, independent unconditional: 34630, dependent: 401, dependent conditional: 0, dependent unconditional: 401, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 35050, independent: 34438, independent conditional: 0, independent unconditional: 34438, dependent: 612, dependent conditional: 0, dependent unconditional: 612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 612, independent: 208, independent conditional: 16, independent unconditional: 192, dependent: 401, dependent conditional: 0, dependent unconditional: 401, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, independent: 208, independent conditional: 16, independent unconditional: 192, dependent: 401, dependent conditional: 0, dependent unconditional: 401, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3681, independent: 492, independent conditional: 87, independent unconditional: 405, dependent: 1049, dependent conditional: 0, dependent unconditional: 1049, unknown: 2140, unknown conditional: 0, unknown unconditional: 2140] , Protected Queries: 0 ], Cache Queries: [ total: 8328042, independent: 7867471, independent conditional: 3515, independent unconditional: 7863956, dependent: 424259, dependent conditional: 0, dependent unconditional: 424259, unknown: 36312, unknown conditional: 16, unknown unconditional: 36296] , Statistics on independence cache: Total cache size (in pairs): 35047, Positive cache size: 34646, Positive conditional cache size: 16, Positive unconditional cache size: 34630, Negative cache size: 401, Negative conditional cache size: 0, Negative unconditional cache size: 401, Unknown cache size: 3, Unknown conditional cache size: 0, Unknown unconditional cache size: 3, Eliminated conditions: 357491, Maximal queried relation: 8, Independence queries for same thread: 1103016 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 13.6s, Number of persistent set computation: 346934, Number of trivial persistent sets: 177569, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54856, independent: 54462, independent conditional: 0, independent unconditional: 54462, dependent: 391, dependent conditional: 0, dependent unconditional: 391, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9070036, independent: 7902117, independent conditional: 7847655, independent unconditional: 54462, dependent: 1167759, dependent conditional: 1167368, dependent unconditional: 391, unknown: 160, unknown conditional: 157, unknown unconditional: 3] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7967020, independent: 7902117, independent conditional: 7847655, independent unconditional: 54462, dependent: 64743, dependent conditional: 64352, dependent unconditional: 391, unknown: 160, unknown conditional: 157, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7967020, independent: 7902117, independent conditional: 7847655, independent unconditional: 54462, dependent: 64743, dependent conditional: 64352, dependent unconditional: 391, unknown: 160, unknown conditional: 157, unknown unconditional: 3] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8328042, independent: 7902117, independent conditional: 3531, independent unconditional: 7898586, dependent: 424660, dependent conditional: 356386, dependent unconditional: 68274, unknown: 1265, unknown conditional: 1105, unknown unconditional: 160] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8328042, independent: 7902117, independent conditional: 3531, independent unconditional: 7898586, dependent: 424660, dependent conditional: 0, dependent unconditional: 424660, unknown: 1265, unknown conditional: 0, unknown unconditional: 1265] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8328042, independent: 7902117, independent conditional: 3531, independent unconditional: 7898586, dependent: 424660, dependent conditional: 0, dependent unconditional: 424660, unknown: 1265, unknown conditional: 0, unknown unconditional: 1265] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35050, independent: 34646, independent conditional: 16, independent unconditional: 34630, dependent: 401, dependent conditional: 0, dependent unconditional: 401, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 35050, independent: 34438, independent conditional: 0, independent unconditional: 34438, dependent: 612, dependent conditional: 0, dependent unconditional: 612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 612, independent: 208, independent conditional: 16, independent unconditional: 192, dependent: 401, dependent conditional: 0, dependent unconditional: 401, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 612, independent: 208, independent conditional: 16, independent unconditional: 192, dependent: 401, dependent conditional: 0, dependent unconditional: 401, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3681, independent: 492, independent conditional: 87, independent unconditional: 405, dependent: 1049, dependent conditional: 0, dependent unconditional: 1049, unknown: 2140, unknown conditional: 0, unknown unconditional: 2140] , Protected Queries: 0 ], Cache Queries: [ total: 8328042, independent: 7867471, independent conditional: 3515, independent unconditional: 7863956, dependent: 424259, dependent conditional: 0, dependent unconditional: 424259, unknown: 36312, unknown conditional: 16, unknown unconditional: 36296] , Statistics on independence cache: Total cache size (in pairs): 35047, Positive cache size: 34646, Positive conditional cache size: 16, Positive unconditional cache size: 34630, Negative cache size: 401, Negative conditional cache size: 0, Negative unconditional cache size: 401, Unknown cache size: 3, Unknown conditional cache size: 0, Unknown unconditional cache size: 3, Eliminated conditions: 357491, Maximal queried relation: 8, Independence queries for same thread: 1103016 - TimeoutResultAtElement [Line: 759]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 191 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 399.9s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 355.3s, 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: 385, 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: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 40.8s InterpolantComputationTime, 3076 NumberOfCodeBlocks, 2880 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4110 ConstructedInterpolants, 116 QuantifiedInterpolants, 31222 SizeOfPredicates, 156 NumberOfNonLiveVariables, 3259 ConjunctsInSsa, 399 ConjunctsInUnsatCore, 27 InterpolantComputations, 5 PerfectInterpolantSequences, 2004/2632 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 191 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, 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: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 2 thread instances CFG has 4 procedures, 267 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, 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: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 553 NumberOfCodeBlocks, 553 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 541 ConstructedInterpolants, 20 QuantifiedInterpolants, 3096 SizeOfPredicates, 28 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 117/136 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread3of3ForFork0 with 1 thread instances CFG has 5 procedures, 343 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 406.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 402.6s, 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: 53, 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: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2486 NumberOfCodeBlocks, 2486 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2631 ConstructedInterpolants, 0 QuantifiedInterpolants, 4308 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2399 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 626/662 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