/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 X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/loop-tiling-eq.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 17:52:54,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 17:52:54,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 17:52:54,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 17:52:54,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 17:52:54,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 17:52:54,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 17:52:54,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 17:52:54,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 17:52:54,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 17:52:54,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 17:52:54,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 17:52:54,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 17:52:54,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 17:52:54,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 17:52:54,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 17:52:54,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 17:52:54,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 17:52:54,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 17:52:54,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 17:52:54,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 17:52:54,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 17:52:54,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 17:52:54,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 17:52:54,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 17:52:54,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 17:52:54,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 17:52:54,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 17:52:54,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 17:52:54,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 17:52:54,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 17:52:54,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 17:52:54,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 17:52:54,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 17:52:54,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 17:52:54,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 17:52:54,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 17:52:54,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 17:52:54,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 17:52:54,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 17:52:54,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 17:52:54,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 17:52:54,870 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 17:52:54,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 17:52:54,870 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 17:52:54,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 17:52:54,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 17:52:54,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 17:52:54,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 17:52:54,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 17:52:54,872 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 17:52:54,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 17:52:54,873 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 17:52:54,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 17:52:54,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 17:52:54,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 17:52:54,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 17:52:54,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 17:52:54,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 17:52:54,874 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 17:52:54,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 17:52:54,874 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 17:52:54,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 17:52:54,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 17:52:54,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 17:52:54,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 17:52:54,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 17:52:54,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 17:52:54,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 17:52:54,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 17:52:54,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 17:52:54,875 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 17:52:54,876 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 17:52:54,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 17:52:54,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 17:52:54,876 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 17:52:54,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 17:52:54,876 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 17:52:54,876 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 17:52:55,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 17:52:55,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 17:52:55,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 17:52:55,116 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 17:52:55,122 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 17:52:55,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/loop-tiling-eq.wvr.c [2023-05-04 17:52:55,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc97522b8/c026905867a146c6b888fc1eac509019/FLAG139c3d592 [2023-05-04 17:52:55,504 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 17:52:55,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/loop-tiling-eq.wvr.c [2023-05-04 17:52:55,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc97522b8/c026905867a146c6b888fc1eac509019/FLAG139c3d592 [2023-05-04 17:52:55,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc97522b8/c026905867a146c6b888fc1eac509019 [2023-05-04 17:52:55,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 17:52:55,910 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 17:52:55,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 17:52:55,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 17:52:55,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 17:52:55,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:52:55" (1/1) ... [2023-05-04 17:52:55,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590cd6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:55, skipping insertion in model container [2023-05-04 17:52:55,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:52:55" (1/1) ... [2023-05-04 17:52:55,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 17:52:55,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 17:52:56,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/loop-tiling-eq.wvr.c[2618,2631] [2023-05-04 17:52:56,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 17:52:56,148 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 17:52:56,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/loop-tiling-eq.wvr.c[2618,2631] [2023-05-04 17:52:56,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 17:52:56,195 INFO L208 MainTranslator]: Completed translation [2023-05-04 17:52:56,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:56 WrapperNode [2023-05-04 17:52:56,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 17:52:56,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 17:52:56,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 17:52:56,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 17:52:56,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:56" (1/1) ... [2023-05-04 17:52:56,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:56" (1/1) ... [2023-05-04 17:52:56,231 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 186 [2023-05-04 17:52:56,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 17:52:56,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 17:52:56,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 17:52:56,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 17:52:56,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:56" (1/1) ... [2023-05-04 17:52:56,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:56" (1/1) ... [2023-05-04 17:52:56,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:56" (1/1) ... [2023-05-04 17:52:56,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:56" (1/1) ... [2023-05-04 17:52:56,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:56" (1/1) ... [2023-05-04 17:52:56,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:56" (1/1) ... [2023-05-04 17:52:56,259 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:56" (1/1) ... [2023-05-04 17:52:56,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:56" (1/1) ... [2023-05-04 17:52:56,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 17:52:56,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 17:52:56,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 17:52:56,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 17:52:56,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:56" (1/1) ... [2023-05-04 17:52:56,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 17:52:56,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:52:56,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 17:52:56,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 17:52:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 17:52:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-05-04 17:52:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 17:52:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 17:52:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 17:52:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-05-04 17:52:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 17:52:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 17:52:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 17:52:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 17:52:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 17:52:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 17:52:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 17:52:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 17:52:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 17:52:56,328 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 17:52:56,409 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 17:52:56,410 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 17:52:56,777 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 17:52:56,787 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 17:52:56,788 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2023-05-04 17:52:56,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:52:56 BoogieIcfgContainer [2023-05-04 17:52:56,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 17:52:56,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 17:52:56,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 17:52:56,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 17:52:56,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 05:52:55" (1/3) ... [2023-05-04 17:52:56,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748a67da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:52:56, skipping insertion in model container [2023-05-04 17:52:56,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:52:56" (2/3) ... [2023-05-04 17:52:56,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748a67da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:52:56, skipping insertion in model container [2023-05-04 17:52:56,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:52:56" (3/3) ... [2023-05-04 17:52:56,807 INFO L112 eAbstractionObserver]: Analyzing ICFG loop-tiling-eq.wvr.c [2023-05-04 17:52:56,821 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 17:52:56,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 17:52:56,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 17:52:56,830 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 17:52:56,943 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 17:52:56,984 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 17:52:56,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 17:52:56,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:52:56,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 17:52:57,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 17:52:57,040 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 17:52:57,070 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 17:52:57,077 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;@252e7b3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 17:52:57,078 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 17:52:59,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:52:59,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:52:59,529 INFO L85 PathProgramCache]: Analyzing trace with hash 971141110, now seen corresponding path program 1 times [2023-05-04 17:52:59,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:52:59,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584468940] [2023-05-04 17:52:59,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:52:59,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:52:59,672 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 17:52:59,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1851426441] [2023-05-04 17:52:59,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:52:59,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:52:59,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:52:59,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 17:52:59,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 17:52:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:52:59,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 1 conjunts are in the unsatisfiable core [2023-05-04 17:52:59,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:52:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 17:52:59,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 17:52:59,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:52:59,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584468940] [2023-05-04 17:52:59,917 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 17:52:59,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851426441] [2023-05-04 17:52:59,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851426441] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:52:59,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:52:59,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 17:52:59,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152897822] [2023-05-04 17:52:59,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:52:59,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 17:52:59,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:52:59,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 17:52:59,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 17:52:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:52:59,951 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:52:59,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 86.5) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 17:52:59,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:52:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:00,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-04 17:53:00,205 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,SelfDestructingSolverStorable0 [2023-05-04 17:53:00,205 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:53:00,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:53:00,206 INFO L85 PathProgramCache]: Analyzing trace with hash 730600981, now seen corresponding path program 1 times [2023-05-04 17:53:00,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:53:00,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591116726] [2023-05-04 17:53:00,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:53:00,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:53:00,245 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 17:53:00,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046129764] [2023-05-04 17:53:00,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:53:00,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:00,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:53:00,249 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 17:53:00,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 17:53:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:53:00,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 17:53:00,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:53:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 17:53:00,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 17:53:00,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:53:00,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591116726] [2023-05-04 17:53:00,655 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 17:53:00,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046129764] [2023-05-04 17:53:00,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046129764] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:53:00,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:53:00,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 17:53:00,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615536849] [2023-05-04 17:53:00,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:53:00,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 17:53:00,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:53:00,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 17:53:00,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-04 17:53:00,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:00,663 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:53:00,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.428571428571427) internal successors, (171), 7 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 17:53:00,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:00,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:00,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:53:00,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 17:53:01,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:01,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:53:01,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:53:01,103 INFO L85 PathProgramCache]: Analyzing trace with hash -642501274, now seen corresponding path program 1 times [2023-05-04 17:53:01,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:53:01,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339185474] [2023-05-04 17:53:01,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:53:01,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:53:01,135 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 17:53:01,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [821202216] [2023-05-04 17:53:01,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:53:01,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:01,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:53:01,138 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 17:53:01,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 17:53:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:53:01,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-04 17:53:01,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:53:01,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 17:53:01,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 17:53:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 17:53:01,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:53:01,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339185474] [2023-05-04 17:53:01,453 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 17:53:01,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821202216] [2023-05-04 17:53:01,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821202216] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 17:53:01,455 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-05-04 17:53:01,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2023-05-04 17:53:01,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539834685] [2023-05-04 17:53:01,455 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-05-04 17:53:01,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 17:53:01,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:53:01,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 17:53:01,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-04 17:53:01,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:01,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:53:01,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.666666666666664) internal successors, (220), 6 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) [2023-05-04 17:53:01,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:01,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:53:01,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:01,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:53:01,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:53:01,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 17:53:01,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:01,757 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:53:01,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:53:01,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1254154988, now seen corresponding path program 1 times [2023-05-04 17:53:01,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:53:01,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777944257] [2023-05-04 17:53:01,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:53:01,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:53:01,790 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 17:53:01,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1376683716] [2023-05-04 17:53:01,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:53:01,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:01,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:53:01,793 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 17:53:01,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 17:53:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:53:01,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 17:53:01,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:53:02,269 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 17:53:02,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 17:53:02,596 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 17:53:02,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:53:02,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777944257] [2023-05-04 17:53:02,597 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 17:53:02,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376683716] [2023-05-04 17:53:02,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376683716] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 17:53:02,598 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-05-04 17:53:02,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2023-05-04 17:53:02,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878519805] [2023-05-04 17:53:02,599 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-05-04 17:53:02,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 17:53:02,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:53:02,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 17:53:02,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-05-04 17:53:02,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:02,602 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:53:02,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.947368421052632) internal successors, (284), 19 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 17:53:02,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:02,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:53:02,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:53:02,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:53:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:53:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 17:53:02,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 17:53:03,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:03,121 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:53:03,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:53:03,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1206992690, now seen corresponding path program 2 times [2023-05-04 17:53:03,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:53:03,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20374807] [2023-05-04 17:53:03,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:53:03,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:53:03,148 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 17:53:03,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450796219] [2023-05-04 17:53:03,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 17:53:03,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:03,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:53:03,150 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 17:53:03,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 17:53:03,532 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 17:53:03,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 17:53:03,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 17:53:03,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:53:03,733 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-04 17:53:03,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 17:53:03,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:53:03,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20374807] [2023-05-04 17:53:03,734 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 17:53:03,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450796219] [2023-05-04 17:53:03,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450796219] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:53:03,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:53:03,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 17:53:03,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974576215] [2023-05-04 17:53:03,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:53:03,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 17:53:03,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:53:03,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 17:53:03,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-05-04 17:53:03,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:03,736 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:53:03,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.625) internal successors, (221), 8 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) [2023-05-04 17:53:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:53:03,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:53:03,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 17:53:03,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:06,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:06,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:53:06,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:53:06,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 17:53:06,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 17:53:06,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 17:53:06,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:06,990 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:53:06,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:53:06,990 INFO L85 PathProgramCache]: Analyzing trace with hash -244731459, now seen corresponding path program 1 times [2023-05-04 17:53:06,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:53:06,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702275996] [2023-05-04 17:53:06,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:53:06,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:53:07,028 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 17:53:07,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1311795216] [2023-05-04 17:53:07,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:53:07,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:07,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:53:07,033 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 17:53:07,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 17:53:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:53:07,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 17:53:07,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:53:07,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-05-04 17:53:07,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 17:53:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-05-04 17:53:07,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:53:07,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702275996] [2023-05-04 17:53:07,433 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 17:53:07,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311795216] [2023-05-04 17:53:07,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311795216] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 17:53:07,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 17:53:07,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2023-05-04 17:53:07,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029429417] [2023-05-04 17:53:07,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:53:07,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 17:53:07,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:53:07,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 17:53:07,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-05-04 17:53:07,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:07,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:53:07,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 17:53:07,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:07,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:53:07,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:53:07,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 17:53:07,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 17:53:07,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:10,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:53:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:53:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 17:53:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 17:53:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:53:10,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 17:53:10,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:10,286 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:53:10,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:53:10,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1393497483, now seen corresponding path program 1 times [2023-05-04 17:53:10,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:53:10,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689363037] [2023-05-04 17:53:10,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:53:10,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:53:10,331 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 17:53:10,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [953435028] [2023-05-04 17:53:10,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:53:10,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:10,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:53:10,334 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 17:53:10,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 17:53:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:53:10,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 17:53:10,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:53:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-05-04 17:53:10,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 17:53:10,974 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-05-04 17:53:10,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:53:10,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689363037] [2023-05-04 17:53:10,975 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 17:53:10,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953435028] [2023-05-04 17:53:10,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953435028] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 17:53:10,975 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-05-04 17:53:10,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2023-05-04 17:53:10,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418993640] [2023-05-04 17:53:10,975 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-05-04 17:53:10,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 17:53:10,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:53:10,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 17:53:10,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-05-04 17:53:10,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:10,977 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:53:10,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 16.0) internal successors, (304), 19 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 17:53:10,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:10,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:53:10,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:53:10,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 17:53:10,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 17:53:10,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:53:10,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:12,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:12,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:53:12,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:53:12,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 17:53:12,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 17:53:12,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:53:12,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 17:53:12,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 17:53:12,728 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,SelfDestructingSolverStorable6 [2023-05-04 17:53:12,729 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:53:12,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:53:12,729 INFO L85 PathProgramCache]: Analyzing trace with hash 820017099, now seen corresponding path program 2 times [2023-05-04 17:53:12,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:53:12,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736827123] [2023-05-04 17:53:12,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:53:12,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:53:12,774 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 17:53:12,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [554261186] [2023-05-04 17:53:12,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 17:53:12,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:12,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:53:12,780 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 17:53:12,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 17:53:13,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 17:53:13,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 17:53:13,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 17:53:13,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:53:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-05-04 17:53:13,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 17:53:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 87 proven. 13 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-05-04 17:53:13,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:53:13,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736827123] [2023-05-04 17:53:13,869 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 17:53:13,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554261186] [2023-05-04 17:53:13,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554261186] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 17:53:13,870 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-05-04 17:53:13,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2023-05-04 17:53:13,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190360874] [2023-05-04 17:53:13,870 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-05-04 17:53:13,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 17:53:13,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:53:13,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 17:53:13,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-05-04 17:53:13,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:13,874 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:53:13,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 16.842105263157894) internal successors, (320), 19 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 17:53:13,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:13,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:53:13,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:53:13,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 17:53:13,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 17:53:13,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:53:13,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-04 17:53:13,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:24,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:53:24,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:53:24,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:53:24,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 17:53:24,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 17:53:24,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 17:53:24,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-04 17:53:24,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 17:53:24,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 17:53:24,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:24,258 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 17:53:24,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:53:24,258 INFO L85 PathProgramCache]: Analyzing trace with hash -495134134, now seen corresponding path program 3 times [2023-05-04 17:53:24,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:53:24,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641298162] [2023-05-04 17:53:24,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:53:24,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:53:24,286 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 17:53:24,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1976764235] [2023-05-04 17:53:24,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 17:53:24,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 17:53:24,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:53:24,288 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 17:53:24,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 17:53:25,403 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-04 17:53:25,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 17:53:25,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 187 conjunts are in the unsatisfiable core [2023-05-04 17:53:25,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 17:53:25,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 17:53:26,274 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 17:53:26,274 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-04 17:53:27,036 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-04 17:53:27,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 22 treesize of output 33 [2023-05-04 17:53:27,871 INFO L356 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2023-05-04 17:53:27,871 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2023-05-04 17:53:28,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 17:53:28,811 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 17:53:29,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:29,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2023-05-04 17:53:29,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:29,290 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 17:53:29,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:29,784 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 17:53:29,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:29,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2023-05-04 17:53:29,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:29,812 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 17:53:29,914 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 17:53:29,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2023-05-04 17:53:29,933 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2023-05-04 17:53:31,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2023-05-04 17:53:31,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2023-05-04 17:53:31,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:31,158 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 17:53:31,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:31,162 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2023-05-04 17:53:31,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:31,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:31,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:31,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:31,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 75 [2023-05-04 17:53:31,329 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-05-04 17:53:31,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 88 [2023-05-04 17:53:31,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:31,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 62 [2023-05-04 17:53:32,673 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-05-04 17:53:32,673 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 88 [2023-05-04 17:53:32,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:32,686 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 17:53:32,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 17:53:32,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 76 [2023-05-04 17:53:32,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 77 [2023-05-04 17:53:34,649 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 17:53:34,650 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 54 [2023-05-04 17:53:34,658 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 17:53:34,659 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 49 [2023-05-04 17:53:34,820 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 17:53:34,821 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 4 case distinctions, treesize of input 69 treesize of output 71 [2023-05-04 17:53:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-04 17:53:35,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 17:56:29,757 WARN L233 SmtUtils]: Spent 56.61s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-04 17:56:29,758 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 17:56:29,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 15499805806 treesize of output 14319249846 Received shutdown request... [2023-05-04 18:07:18,795 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 18:07:18,795 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 18:07:18,795 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 18:07:18,914 WARN L249 SmtUtils]: Removed 1 from assertion stack [2023-05-04 18:07:18,917 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 18:07:18,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-04 18:07:19,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-04 18:07:19,128 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 275 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2023-05-04 18:07:19,130 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 18:07:19,130 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 18:07:19,133 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2023-05-04 18:07:19,136 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 18:07:19,137 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 18:07:19,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 06:07:19 BasicIcfg [2023-05-04 18:07:19,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 18:07:19,139 INFO L158 Benchmark]: Toolchain (without parser) took 863229.03ms. Allocated memory was 195.0MB in the beginning and 6.7GB in the end (delta: 6.6GB). Free memory was 140.8MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 6.1GB. Max. memory is 8.0GB. [2023-05-04 18:07:19,140 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 195.0MB. Free memory was 157.2MB in the beginning and 157.1MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 18:07:19,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.51ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 140.6MB in the beginning and 210.4MB in the end (delta: -69.8MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. [2023-05-04 18:07:19,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.46ms. Allocated memory is still 234.9MB. Free memory was 210.4MB in the beginning and 207.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 18:07:19,140 INFO L158 Benchmark]: Boogie Preprocessor took 30.41ms. Allocated memory is still 234.9MB. Free memory was 207.8MB in the beginning and 206.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 18:07:19,141 INFO L158 Benchmark]: RCFGBuilder took 526.38ms. Allocated memory is still 234.9MB. Free memory was 206.2MB in the beginning and 182.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-05-04 18:07:19,141 INFO L158 Benchmark]: TraceAbstraction took 862338.16ms. Allocated memory was 234.9MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 181.6MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 6.1GB. Max. memory is 8.0GB. [2023-05-04 18:07:19,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 195.0MB. Free memory was 157.2MB in the beginning and 157.1MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 280.51ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 140.6MB in the beginning and 210.4MB in the end (delta: -69.8MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.46ms. Allocated memory is still 234.9MB. Free memory was 210.4MB in the beginning and 207.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.41ms. Allocated memory is still 234.9MB. Free memory was 207.8MB in the beginning and 206.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 526.38ms. Allocated memory is still 234.9MB. Free memory was 206.2MB in the beginning and 182.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 862338.16ms. Allocated memory was 234.9MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 181.6MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 6.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35277, independent: 28504, independent conditional: 26625, independent unconditional: 1879, dependent: 6644, dependent conditional: 6622, dependent unconditional: 22, unknown: 129, unknown conditional: 125, unknown unconditional: 4] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29823, independent: 28504, independent conditional: 26625, independent unconditional: 1879, dependent: 1190, dependent conditional: 1168, dependent unconditional: 22, unknown: 129, unknown conditional: 125, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29823, independent: 28504, independent conditional: 26625, independent unconditional: 1879, dependent: 1190, dependent conditional: 1168, dependent unconditional: 22, unknown: 129, unknown conditional: 125, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34254, independent: 28504, independent conditional: 0, independent unconditional: 28504, dependent: 5204, dependent conditional: 4014, dependent unconditional: 1190, unknown: 546, unknown conditional: 417, unknown unconditional: 129] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34254, independent: 28504, independent conditional: 0, independent unconditional: 28504, dependent: 5204, dependent conditional: 1498, dependent unconditional: 3706, unknown: 546, unknown conditional: 149, unknown unconditional: 397] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34254, independent: 28504, independent conditional: 0, independent unconditional: 28504, dependent: 5204, dependent conditional: 1498, dependent unconditional: 3706, unknown: 546, unknown conditional: 149, unknown unconditional: 397] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1398, independent: 1297, independent conditional: 0, independent unconditional: 1297, dependent: 86, dependent conditional: 64, dependent unconditional: 22, unknown: 15, unknown conditional: 11, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1398, independent: 1296, independent conditional: 0, independent unconditional: 1296, dependent: 102, dependent conditional: 0, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 102, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 86, dependent conditional: 64, dependent unconditional: 22, unknown: 15, unknown conditional: 11, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 102, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 86, dependent conditional: 64, dependent unconditional: 22, unknown: 15, unknown conditional: 11, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17294, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 939, dependent conditional: 716, dependent unconditional: 223, unknown: 16314, unknown conditional: 11979, unknown unconditional: 4335] , Protected Queries: 0 ], Cache Queries: [ total: 34254, independent: 27207, independent conditional: 0, independent unconditional: 27207, dependent: 5118, dependent conditional: 1434, dependent unconditional: 3684, unknown: 1929, unknown conditional: 213, unknown unconditional: 1716] , Statistics on independence cache: Total cache size (in pairs): 1383, Positive cache size: 1297, Positive conditional cache size: 0, Positive unconditional cache size: 1297, Negative cache size: 86, Negative conditional cache size: 64, Negative unconditional cache size: 22, Unknown cache size: 15, Unknown conditional cache size: 11, Unknown unconditional cache size: 4, Eliminated conditions: 2784, Maximal queried relation: 6, Independence queries for same thread: 5454 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 4.7s, Number of persistent set computation: 1351, Number of trivial persistent sets: 1133, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1905, independent: 1879, independent conditional: 0, independent unconditional: 1879, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35277, independent: 28504, independent conditional: 26625, independent unconditional: 1879, dependent: 6644, dependent conditional: 6622, dependent unconditional: 22, unknown: 129, unknown conditional: 125, unknown unconditional: 4] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29823, independent: 28504, independent conditional: 26625, independent unconditional: 1879, dependent: 1190, dependent conditional: 1168, dependent unconditional: 22, unknown: 129, unknown conditional: 125, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29823, independent: 28504, independent conditional: 26625, independent unconditional: 1879, dependent: 1190, dependent conditional: 1168, dependent unconditional: 22, unknown: 129, unknown conditional: 125, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34254, independent: 28504, independent conditional: 0, independent unconditional: 28504, dependent: 5204, dependent conditional: 4014, dependent unconditional: 1190, unknown: 546, unknown conditional: 417, unknown unconditional: 129] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34254, independent: 28504, independent conditional: 0, independent unconditional: 28504, dependent: 5204, dependent conditional: 1498, dependent unconditional: 3706, unknown: 546, unknown conditional: 149, unknown unconditional: 397] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34254, independent: 28504, independent conditional: 0, independent unconditional: 28504, dependent: 5204, dependent conditional: 1498, dependent unconditional: 3706, unknown: 546, unknown conditional: 149, unknown unconditional: 397] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1398, independent: 1297, independent conditional: 0, independent unconditional: 1297, dependent: 86, dependent conditional: 64, dependent unconditional: 22, unknown: 15, unknown conditional: 11, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1398, independent: 1296, independent conditional: 0, independent unconditional: 1296, dependent: 102, dependent conditional: 0, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 102, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 86, dependent conditional: 64, dependent unconditional: 22, unknown: 15, unknown conditional: 11, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 102, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 86, dependent conditional: 64, dependent unconditional: 22, unknown: 15, unknown conditional: 11, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17294, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 939, dependent conditional: 716, dependent unconditional: 223, unknown: 16314, unknown conditional: 11979, unknown unconditional: 4335] , Protected Queries: 0 ], Cache Queries: [ total: 34254, independent: 27207, independent conditional: 0, independent unconditional: 27207, dependent: 5118, dependent conditional: 1434, dependent unconditional: 3684, unknown: 1929, unknown conditional: 213, unknown unconditional: 1716] , Statistics on independence cache: Total cache size (in pairs): 1383, Positive cache size: 1297, Positive conditional cache size: 0, Positive unconditional cache size: 1297, Negative cache size: 86, Negative conditional cache size: 64, Negative unconditional cache size: 22, Unknown cache size: 15, Unknown conditional cache size: 11, Unknown unconditional cache size: 4, Eliminated conditions: 2784, Maximal queried relation: 6, Independence queries for same thread: 5454 - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 275 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 275 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 275 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-16-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 285 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 862.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 20.5s, 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: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1925 NumberOfCodeBlocks, 1925 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3241 ConstructedInterpolants, 0 QuantifiedInterpolants, 6560 SizeOfPredicates, 49 NumberOfNonLiveVariables, 4557 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 598/697 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