/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 07:17:40,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 07:17:40,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 07:17:40,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 07:17:40,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 07:17:40,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 07:17:40,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 07:17:40,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 07:17:40,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 07:17:40,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 07:17:40,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 07:17:40,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 07:17:40,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 07:17:40,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 07:17:40,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 07:17:41,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 07:17:41,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 07:17:41,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 07:17:41,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 07:17:41,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 07:17:41,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 07:17:41,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2023-05-04 07:17:41,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 07:17:41,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 07:17:41,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 07:17:41,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 07:17:41,043 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 07:17:41,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 07:17:41,044 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 07:17:41,044 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 07:17:41,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 07:17:41,045 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 07:17:41,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 07:17:41,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 07:17:41,046 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 07:17:41,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 07:17:41,047 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 07:17:41,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 07:17:41,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 07:17:41,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 07:17:41,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 07:17:41,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 07:17:41,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 07:17:41,048 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 07:17:41,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 07:17:41,048 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 07:17:41,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 07:17:41,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 07:17:41,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 07:17:41,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 07:17:41,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 07:17:41,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 07:17:41,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 07:17:41,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 07:17:41,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 07:17:41,051 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 07:17:41,051 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 07:17:41,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 07:17:41,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 07:17:41,051 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 07:17:41,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 07:17:41,052 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 07:17:41,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 07:17:41,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 07:17:41,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 07:17:41,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 07:17:41,293 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 07:17:41,294 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 07:17:41,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2023-05-04 07:17:41,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3741c78e/ea90573b3d5e4cbda2477d4e7bd34927/FLAG16fcb5cd9 [2023-05-04 07:17:41,758 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 07:17:41,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2023-05-04 07:17:41,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3741c78e/ea90573b3d5e4cbda2477d4e7bd34927/FLAG16fcb5cd9 [2023-05-04 07:17:41,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3741c78e/ea90573b3d5e4cbda2477d4e7bd34927 [2023-05-04 07:17:41,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 07:17:41,784 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 07:17:41,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 07:17:41,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 07:17:41,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 07:17:41,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:17:41" (1/1) ... [2023-05-04 07:17:41,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:41, skipping insertion in model container [2023-05-04 07:17:41,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:17:41" (1/1) ... [2023-05-04 07:17:41,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 07:17:41,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 07:17:42,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30451,30464] [2023-05-04 07:17:42,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30681,30694] [2023-05-04 07:17:42,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30979,30992] [2023-05-04 07:17:42,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 07:17:42,224 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 07:17:42,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30451,30464] [2023-05-04 07:17:42,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30681,30694] [2023-05-04 07:17:42,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i[30979,30992] [2023-05-04 07:17:42,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 07:17:42,335 INFO L208 MainTranslator]: Completed translation [2023-05-04 07:17:42,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:42 WrapperNode [2023-05-04 07:17:42,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 07:17:42,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 07:17:42,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 07:17:42,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 07:17:42,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:42" (1/1) ... [2023-05-04 07:17:42,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:42" (1/1) ... [2023-05-04 07:17:42,401 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 142 [2023-05-04 07:17:42,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 07:17:42,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 07:17:42,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 07:17:42,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 07:17:42,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:42" (1/1) ... [2023-05-04 07:17:42,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:42" (1/1) ... [2023-05-04 07:17:42,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:42" (1/1) ... [2023-05-04 07:17:42,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:42" (1/1) ... [2023-05-04 07:17:42,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:42" (1/1) ... [2023-05-04 07:17:42,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:42" (1/1) ... [2023-05-04 07:17:42,428 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:42" (1/1) ... [2023-05-04 07:17:42,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:42" (1/1) ... [2023-05-04 07:17:42,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 07:17:42,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 07:17:42,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 07:17:42,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 07:17:42,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:42" (1/1) ... [2023-05-04 07:17:42,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 07:17:42,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:17:42,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 07:17:42,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 07:17:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 07:17:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-05-04 07:17:42,499 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-05-04 07:17:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-05-04 07:17:42,499 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-05-04 07:17:42,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 07:17:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-04 07:17:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 07:17:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 07:17:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 07:17:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-05-04 07:17:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 07:17:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 07:17:42,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 07:17:42,501 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 07:17:42,618 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 07:17:42,620 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 07:17:42,874 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 07:17:42,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 07:17:42,886 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-04 07:17:42,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:17:42 BoogieIcfgContainer [2023-05-04 07:17:42,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 07:17:42,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 07:17:42,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 07:17:42,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 07:17:42,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:17:41" (1/3) ... [2023-05-04 07:17:42,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1f1d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:17:42, skipping insertion in model container [2023-05-04 07:17:42,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:17:42" (2/3) ... [2023-05-04 07:17:42,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1f1d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:17:42, skipping insertion in model container [2023-05-04 07:17:42,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:17:42" (3/3) ... [2023-05-04 07:17:42,897 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2023-05-04 07:17:42,904 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 07:17:42,913 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 07:17:42,913 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-05-04 07:17:42,913 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 07:17:43,007 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 07:17:43,048 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:17:43,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 07:17:43,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:17:43,049 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 07:17:43,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 07:17:43,078 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 07:17:43,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2023-05-04 07:17:43,097 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;@65e126e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:17:43,098 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-04 07:17:44,423 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:17:44,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:17:44,427 INFO L85 PathProgramCache]: Analyzing trace with hash -832689769, now seen corresponding path program 1 times [2023-05-04 07:17:44,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:17:44,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214851891] [2023-05-04 07:17:44,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:44,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:17:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:17:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:17:44,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:17:44,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214851891] [2023-05-04 07:17:44,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214851891] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:17:44,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:17:44,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 07:17:44,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326077798] [2023-05-04 07:17:44,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:17:44,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 07:17:44,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:17:44,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 07:17:44,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 07:17:44,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:44,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:17:44,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:17:44,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:44,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:44,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 07:17:44,787 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:17:44,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:17:44,787 INFO L85 PathProgramCache]: Analyzing trace with hash -875331132, now seen corresponding path program 1 times [2023-05-04 07:17:44,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:17:44,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997705804] [2023-05-04 07:17:44,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:44,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:17:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:17:45,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:17:45,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:17:45,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997705804] [2023-05-04 07:17:45,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997705804] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:17:45,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:17:45,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 07:17:45,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26599872] [2023-05-04 07:17:45,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:17:45,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 07:17:45,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:17:45,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 07:17:45,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 07:17:45,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:45,011 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:17:45,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:17:45,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:45,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:45,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:45,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:45,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 07:17:45,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:17:45,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:17:45,132 INFO L85 PathProgramCache]: Analyzing trace with hash 2089778662, now seen corresponding path program 1 times [2023-05-04 07:17:45,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:17:45,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550843408] [2023-05-04 07:17:45,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:45,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:17:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:17:45,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:17:45,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:17:45,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550843408] [2023-05-04 07:17:45,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550843408] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:17:45,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:17:45,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 07:17:45,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580916957] [2023-05-04 07:17:45,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:17:45,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 07:17:45,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:17:45,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 07:17:45,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 07:17:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:45,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:17:45,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:17:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:45,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:45,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:45,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:45,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 07:17:45,410 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:17:45,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:17:45,410 INFO L85 PathProgramCache]: Analyzing trace with hash -263346075, now seen corresponding path program 1 times [2023-05-04 07:17:45,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:17:45,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615966901] [2023-05-04 07:17:45,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:45,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:17:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:17:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:17:45,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:17:45,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615966901] [2023-05-04 07:17:45,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615966901] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:17:45,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:17:45,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 07:17:45,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476066188] [2023-05-04 07:17:45,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:17:45,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 07:17:45,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:17:45,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 07:17:45,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 07:17:45,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:45,688 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:17:45,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:17:45,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:45,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:45,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:45,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:45,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:45,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:45,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 07:17:45,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 07:17:45,786 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:17:45,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:17:45,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1131976500, now seen corresponding path program 1 times [2023-05-04 07:17:45,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:17:45,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264514187] [2023-05-04 07:17:45,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:45,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:17:45,804 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 07:17:45,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [181098710] [2023-05-04 07:17:45,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:45,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:17:45,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:17:45,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:17:45,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 07:17:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:17:45,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-04 07:17:45,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:17:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:17:46,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 07:17:46,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:17:46,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264514187] [2023-05-04 07:17:46,162 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 07:17:46,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181098710] [2023-05-04 07:17:46,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181098710] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:17:46,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:17:46,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 07:17:46,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071981453] [2023-05-04 07:17:46,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:17:46,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 07:17:46,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:17:46,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 07:17:46,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-04 07:17:46,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:46,165 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:17:46,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:17:46,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:46,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:46,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:46,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 07:17:46,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:46,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:46,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 07:17:46,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:17:46,221 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 07:17:46,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:17:46,413 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:17:46,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:17:46,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1079296396, now seen corresponding path program 1 times [2023-05-04 07:17:46,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:17:46,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167677625] [2023-05-04 07:17:46,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:46,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:17:46,433 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 07:17:46,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [686498406] [2023-05-04 07:17:46,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:46,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:17:46,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:17:46,438 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:17:46,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 07:17:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:17:46,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 07:17:46,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:17:46,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:17:46,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 07:17:46,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:17:46,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167677625] [2023-05-04 07:17:46,606 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 07:17:46,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686498406] [2023-05-04 07:17:46,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686498406] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:17:46,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:17:46,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 07:17:46,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316558728] [2023-05-04 07:17:46,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:17:46,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 07:17:46,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:17:46,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 07:17:46,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 07:17:46,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:46,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:17:46,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:17:46,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:46,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:46,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:46,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 07:17:46,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:17:46,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:46,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:46,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:46,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:46,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 07:17:46,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:17:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:17:46,788 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 07:17:46,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:17:46,981 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err1ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:17:46,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:17:46,982 INFO L85 PathProgramCache]: Analyzing trace with hash 665771837, now seen corresponding path program 1 times [2023-05-04 07:17:46,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:17:46,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347100755] [2023-05-04 07:17:46,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:46,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:17:47,000 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 07:17:47,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1081629671] [2023-05-04 07:17:47,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:47,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:17:47,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:17:47,002 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 07:17:47,005 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 07:17:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:17:47,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-04 07:17:47,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:17:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 07:17:47,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 07:17:47,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:17:47,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347100755] [2023-05-04 07:17:47,422 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 07:17:47,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081629671] [2023-05-04 07:17:47,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081629671] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:17:47,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:17:47,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 07:17:47,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685929627] [2023-05-04 07:17:47,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:17:47,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 07:17:47,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:17:47,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 07:17:47,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-04 07:17:47,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:47,424 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:17:47,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:17:47,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:47,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:47,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:47,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 07:17:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:17:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:17:47,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:53,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:53,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:53,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 07:17:53,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 07:17:53,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:17:53,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:53,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-05-04 07:17:53,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-05-04 07:17:53,303 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 07:17:53,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:17:53,486 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-05-04 07:17:53,487 INFO L307 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork0 was SAFE,SAFE (1/3) [2023-05-04 07:17:53,491 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:17:53,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 07:17:53,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:17:53,493 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 07:17:53,538 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 07:17:53,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 07:17:53,540 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@65e126e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:17:53,541 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-05-04 07:17:53,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2023-05-04 07:17:55,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-05-04 07:17:55,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-05-04 07:17:55,784 INFO L444 BasicCegarLoop]: Path program histogram: [] [2023-05-04 07:17:55,784 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2023-05-04 07:17:55,786 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:17:55,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 07:17:55,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:17:55,789 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 07:17:55,794 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 07:17:55,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork1 ======== [2023-05-04 07:17:55,796 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;@65e126e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:17:55,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-05-04 07:17:55,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2023-05-04 07:17:55,854 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:17:55,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:17:55,855 INFO L85 PathProgramCache]: Analyzing trace with hash 742189573, now seen corresponding path program 1 times [2023-05-04 07:17:55,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:17:55,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728078960] [2023-05-04 07:17:55,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:55,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:17:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:17:55,890 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-05-04 07:17:55,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:17:55,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728078960] [2023-05-04 07:17:55,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728078960] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:17:55,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:17:55,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 07:17:55,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035173504] [2023-05-04 07:17:55,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:17:55,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 07:17:55,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:17:55,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 07:17:55,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 07:17:55,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:55,892 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:17:55,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:17:55,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:55,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:55,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 07:17:55,901 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:17:55,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:17:55,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1090102577, now seen corresponding path program 1 times [2023-05-04 07:17:55,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:17:55,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055347880] [2023-05-04 07:17:55,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:55,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:17:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:17:55,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:17:55,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:17:55,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055347880] [2023-05-04 07:17:55,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055347880] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:17:55,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:17:55,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 07:17:55,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324037519] [2023-05-04 07:17:55,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:17:55,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 07:17:55,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:17:55,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 07:17:55,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 07:17:55,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:55,972 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:17:55,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:17:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:55,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:57,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:57,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:57,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-04 07:17:57,141 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:17:57,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:17:57,142 INFO L85 PathProgramCache]: Analyzing trace with hash 752188324, now seen corresponding path program 1 times [2023-05-04 07:17:57,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:17:57,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132615850] [2023-05-04 07:17:57,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:57,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:17:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:17:57,283 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 07:17:57,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:17:57,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132615850] [2023-05-04 07:17:57,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132615850] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:17:57,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:17:57,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 07:17:57,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710338630] [2023-05-04 07:17:57,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:17:57,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 07:17:57,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:17:57,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 07:17:57,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 07:17:57,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:57,286 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:17:57,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:17:57,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:57,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:57,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:57,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:57,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:57,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-04 07:17:57,325 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:17:57,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:17:57,326 INFO L85 PathProgramCache]: Analyzing trace with hash 960682748, now seen corresponding path program 1 times [2023-05-04 07:17:57,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:17:57,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418851534] [2023-05-04 07:17:57,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:57,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:17:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:17:57,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:17:57,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:17:57,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418851534] [2023-05-04 07:17:57,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418851534] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:17:57,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:17:57,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 07:17:57,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505835187] [2023-05-04 07:17:57,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:17:57,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 07:17:57,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:17:57,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 07:17:57,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-05-04 07:17:57,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:57,454 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:17:57,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:17:57,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:57,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:57,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:57,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:57,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:57,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:57,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:17:57,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:17:57,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-05-04 07:17:57,499 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:17:57,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:17:57,499 INFO L85 PathProgramCache]: Analyzing trace with hash 972090443, now seen corresponding path program 1 times [2023-05-04 07:17:57,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:17:57,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932779777] [2023-05-04 07:17:57,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:57,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:17:57,516 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 07:17:57,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2118673329] [2023-05-04 07:17:57,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:17:57,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:17:57,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:17:57,522 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 07:17:57,542 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 07:17:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:17:57,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-04 07:17:57,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:17:57,939 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-05-04 07:17:58,010 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-04 07:17:58,011 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-04 07:17:58,045 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-05-04 07:17:58,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-05-04 07:17:58,185 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2023-05-04 07:17:58,276 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2023-05-04 07:17:58,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2023-05-04 07:17:58,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 46 [2023-05-04 07:17:58,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:17:58,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:18:27,587 WARN L233 SmtUtils]: Spent 25.03s on a formula simplification. DAG size of input: 90 DAG size of output: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:18:46,089 WARN L233 SmtUtils]: Spent 12.15s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:19:17,995 WARN L233 SmtUtils]: Spent 17.02s on a formula simplification. DAG size of input: 64 DAG size of output: 53 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:19:20,612 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (mod |c_t1Thread1of1ForFork0_~i~0#1| 256))) (let ((.cse0 (<= .cse2 127))) (and (or .cse0 (let ((.cse1 (+ .cse2 (- 256)))) (and (forall ((v_ArrVal_436 (Array Int Int)) (aux_mod_~next~0_24 Int)) (or (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_436) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) .cse1) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (<= 4294967296 aux_mod_~first~0_40))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~next~0_24))) (forall ((v_ArrVal_436 (Array Int Int)) (aux_mod_~next~0_24 Int)) (or (<= aux_mod_~next~0_24 2147483647) (forall ((|~#buffer~0.offset| Int) (aux_mod_~first~0_40 Int)) (or (< aux_mod_~first~0_40 0) (< 2147483647 aux_mod_~first~0_40) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_436) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) .cse1) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296))) |c_t1Thread1of1ForFork0_~i~0#1|))) (<= 4294967296 aux_mod_~next~0_24)))))) (or (forall ((v_ArrVal_436 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int) (aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (= |c_t1Thread1of1ForFork0_~i~0#1| (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_436) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) .cse2) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296)))) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~first~0_40) (<= 4294967296 aux_mod_~next~0_24))) (not .cse0))))) is different from false [2023-05-04 07:19:20,920 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_436 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int) (aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_436) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= aux_mod_~next~0_24 2147483647) (<= 4294967296 aux_mod_~first~0_40) (<= 4294967296 aux_mod_~next~0_24))) is different from false [2023-05-04 07:19:21,040 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_436 (Array Int Int)) (v_ArrVal_435 (Array Int Int)) (|~#buffer~0.offset| Int) (aux_mod_~next~0_24 Int) (aux_mod_~first~0_40 Int)) (or (<= aux_mod_~first~0_40 2147483647) (<= aux_mod_~next~0_24 2147483647) (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#id1~0#1.base| v_ArrVal_435) |c_ULTIMATE.start_main_~#id2~0#1.base| v_ArrVal_436) |c_~#buffer~0.base|) (+ |~#buffer~0.offset| (mod aux_mod_~next~0_24 4294967296) (- 4294967296)) 0) (+ |~#buffer~0.offset| (mod aux_mod_~first~0_40 4294967296) (- 4294967296))) 0) (<= 4294967296 aux_mod_~first~0_40) (<= 4294967296 aux_mod_~next~0_24))) is different from false [2023-05-04 07:19:21,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 52 [2023-05-04 07:19:21,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 100 [2023-05-04 07:19:21,911 INFO L356 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2023-05-04 07:19:21,911 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 22 [2023-05-04 07:19:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-05-04 07:19:21,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:19:21,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932779777] [2023-05-04 07:19:21,917 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 07:19:21,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118673329] [2023-05-04 07:19:21,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118673329] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:19:21,917 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-05-04 07:19:21,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 30 [2023-05-04 07:19:21,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911040007] [2023-05-04 07:19:21,918 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-05-04 07:19:21,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-04 07:19:21,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:19:21,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-04 07:19:21,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=600, Unknown=16, NotChecked=156, Total=870 [2023-05-04 07:19:21,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:21,920 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:19:21,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 6.566666666666666) internal successors, (197), 30 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:19:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:19:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:22,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:22,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:22,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:22,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:19:22,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:19:22,420 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 07:19:22,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:19:22,598 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:19:22,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:19:22,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1164120826, now seen corresponding path program 1 times [2023-05-04 07:19:22,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:19:22,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464494840] [2023-05-04 07:19:22,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:19:22,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:19:22,614 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 07:19:22,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [247316583] [2023-05-04 07:19:22,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:19:22,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:19:22,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:19:22,616 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 07:19:22,617 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 07:19:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:19:22,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 07:19:22,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:19:22,780 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 07:19:22,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:19:22,802 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 07:19:22,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:19:22,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464494840] [2023-05-04 07:19:22,802 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 07:19:22,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247316583] [2023-05-04 07:19:22,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247316583] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 07:19:22,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 07:19:22,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-05-04 07:19:22,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432731066] [2023-05-04 07:19:22,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:19:22,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 07:19:22,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:19:22,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 07:19:22,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-04 07:19:22,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:22,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:19:22,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:19:22,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:22,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:22,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:22,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:19:22,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:19:22,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:22,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:22,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:22,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:22,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:19:22,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:19:22,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:22,856 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 07:19:23,046 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,SelfDestructingSolverStorable12 [2023-05-04 07:19:23,046 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:19:23,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:19:23,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1116975919, now seen corresponding path program 1 times [2023-05-04 07:19:23,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:19:23,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212160070] [2023-05-04 07:19:23,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:19:23,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:19:23,062 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 07:19:23,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103330261] [2023-05-04 07:19:23,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:19:23,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:19:23,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:19:23,064 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 07:19:23,084 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 07:19:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:19:23,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-04 07:19:23,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:19:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:19:23,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 07:19:23,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:19:23,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212160070] [2023-05-04 07:19:23,426 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 07:19:23,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103330261] [2023-05-04 07:19:23,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103330261] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:19:23,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:19:23,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 07:19:23,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688423108] [2023-05-04 07:19:23,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:19:23,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 07:19:23,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:19:23,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 07:19:23,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-04 07:19:23,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:23,428 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:19:23,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:19:23,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:23,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:23,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:23,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:19:23,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:19:23,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:23,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:19:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:19:23,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:23,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:23,485 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 07:19:23,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-04 07:19:23,661 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:19:23,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:19:23,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1357398840, now seen corresponding path program 1 times [2023-05-04 07:19:23,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:19:23,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688363004] [2023-05-04 07:19:23,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:19:23,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:19:23,680 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 07:19:23,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [420660244] [2023-05-04 07:19:23,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:19:23,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:19:23,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:19:23,682 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 07:19:23,692 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 07:19:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:19:24,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 49 conjunts are in the unsatisfiable core [2023-05-04 07:19:24,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:19:24,730 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 57 [2023-05-04 07:19:24,734 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 107 [2023-05-04 07:19:24,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2023-05-04 07:19:25,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-05-04 07:19:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:19:25,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:19:25,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2023-05-04 07:19:25,732 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:19:25,732 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 76 [2023-05-04 07:19:25,819 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:19:25,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 135 [2023-05-04 07:19:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:19:42,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:19:42,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688363004] [2023-05-04 07:19:42,248 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 07:19:42,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420660244] [2023-05-04 07:19:42,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420660244] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:19:42,248 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-05-04 07:19:42,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 46 [2023-05-04 07:19:42,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574211063] [2023-05-04 07:19:42,248 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-05-04 07:19:42,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-05-04 07:19:42,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:19:42,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-05-04 07:19:42,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=1867, Unknown=0, NotChecked=0, Total=2070 [2023-05-04 07:19:42,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:42,250 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:19:42,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.217391304347826) internal successors, (286), 46 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:19:42,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:19:42,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:42,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:42,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:19:42,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:19:42,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:42,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:19:42,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:21:14,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-05-04 07:21:27,455 WARN L233 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 88 DAG size of output: 79 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:21:42,346 WARN L233 SmtUtils]: Spent 13.17s on a formula simplification. DAG size of input: 98 DAG size of output: 89 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:22:13,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:22:13,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:13,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:13,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:22:13,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:22:13,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:13,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:13,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-04 07:22:13,781 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 07:22:13,965 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,SelfDestructingSolverStorable14 [2023-05-04 07:22:13,965 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:22:13,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:22:13,965 INFO L85 PathProgramCache]: Analyzing trace with hash 778694109, now seen corresponding path program 1 times [2023-05-04 07:22:13,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:22:13,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632337402] [2023-05-04 07:22:13,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:22:13,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:22:13,999 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 07:22:13,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1171633536] [2023-05-04 07:22:13,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:22:14,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:22:14,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:22:14,001 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:22:14,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-04 07:22:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:22:14,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-04 07:22:14,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:22:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 408 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:22:14,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:22:14,851 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 408 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:22:14,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:22:14,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632337402] [2023-05-04 07:22:14,851 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 07:22:14,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171633536] [2023-05-04 07:22:14,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171633536] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:22:14,852 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-05-04 07:22:14,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2023-05-04 07:22:14,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379261689] [2023-05-04 07:22:14,852 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-05-04 07:22:14,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-04 07:22:14,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:22:14,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-04 07:22:14,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2023-05-04 07:22:14,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:22:14,856 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:22:14,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 23.523809523809526) internal successors, (494), 21 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:22:14,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:22:14,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:14,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:14,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:22:14,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:22:14,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:14,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:14,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-04 07:22:14,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:22:16,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-05-04 07:22:25,252 WARN L233 SmtUtils]: Spent 8.44s on a formula simplification. DAG size of input: 75 DAG size of output: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:22:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:22:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:22:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:22:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-04 07:22:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 07:22:27,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-05-04 07:22:27,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-05-04 07:22:27,848 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:22:27,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:22:27,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1457433729, now seen corresponding path program 2 times [2023-05-04 07:22:27,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:22:27,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027822856] [2023-05-04 07:22:27,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:22:27,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:22:27,869 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 07:22:27,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804556212] [2023-05-04 07:22:27,869 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 07:22:27,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:22:27,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:22:27,870 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:22:27,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-04 07:22:28,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 07:22:28,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:22:28,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 3 conjunts are in the unsatisfiable core [2023-05-04 07:22:28,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:22:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2023-05-04 07:22:28,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 07:22:28,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:22:28,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027822856] [2023-05-04 07:22:28,126 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-04 07:22:28,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804556212] [2023-05-04 07:22:28,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804556212] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:22:28,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:22:28,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 07:22:28,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016447779] [2023-05-04 07:22:28,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:22:28,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 07:22:28,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:22:28,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 07:22:28,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 07:22:28,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:22:28,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:22:28,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:22:28,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:22:28,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:28,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:28,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:22:28,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:22:28,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:28,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:22:28,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-04 07:22:28,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 07:22:28,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:22:42,835 WARN L233 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 82 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 07:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 07:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:23:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:23:00,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-05-04 07:23:00,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 07:23:00,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 07:23:00,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-05-04 07:23:00,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-04 07:23:00,705 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-05-04 07:23:00,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:23:00,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1155360148, now seen corresponding path program 3 times [2023-05-04 07:23:00,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:23:00,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266462346] [2023-05-04 07:23:00,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:23:00,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:23:00,724 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-05-04 07:23:00,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1515571508] [2023-05-04 07:23:00,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 07:23:00,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:23:00,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:23:00,726 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:23:00,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-04 07:23:05,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 07:23:05,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:23:05,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 105 conjunts are in the unsatisfiable core [2023-05-04 07:23:05,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:23:06,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-05-04 07:23:06,186 INFO L356 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2023-05-04 07:23:06,187 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2023-05-04 07:23:06,279 INFO L356 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2023-05-04 07:23:06,279 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 07:23:06,823 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 13 treesize of output 15 [2023-05-04 07:23:07,082 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 13 treesize of output 15 [2023-05-04 07:23:07,372 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2023-05-04 07:23:08,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2023-05-04 07:23:23,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 66 [2023-05-04 07:23:28,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 65 [2023-05-04 07:23:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 19 proven. 252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:23:36,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:24:19,248 WARN L233 SmtUtils]: Spent 8.65s on a formula simplification. DAG size of input: 70 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:30:47,780 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse88 (mod (+ c_~first~0 1) 4294967296)) (.cse1 (mod c_~buffer_size~0 4294967296))) (or (let ((.cse87 (mod c_~first~0 4294967296))) (let ((.cse17 (<= .cse88 2147483647)) (.cse10 (<= .cse87 2147483647))) (let ((.cse4 (+ |c_~#buffer~0.offset| .cse87)) (.cse9 (not .cse10)) (.cse7 (+ |c_~#buffer~0.offset| .cse88 (- 4294967296))) (.cse22 (not .cse17)) (.cse6 (+ |c_t1Thread1of1ForFork0_~i~0#1| 1)) (.cse26 (+ |c_~#buffer~0.offset| .cse88)) (.cse14 (+ |c_~#buffer~0.offset| .cse87 (- 4294967296))) (.cse8 (select |c_#memory_int| |c_~#buffer~0.base|))) (and (or (and (or (and (or (forall ((aux_div_aux_mod_aux_mod_~next~0_30_35_61 Int) (aux_mod_aux_mod_aux_mod_~next~0_30_35_61 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_1170 Int)) (let ((.cse0 (* aux_div_aux_mod_aux_mod_~next~0_30_35_61 4294967296))) (let ((.cse2 (+ .cse0 (* aux_div_aux_mod_~next~0_30_35 4294967296) aux_mod_aux_mod_aux_mod_~next~0_30_35_61)) (.cse3 (store .cse8 (+ |c_~#buffer~0.offset| (- 4294967296) (mod aux_mod_aux_mod_aux_mod_~next~0_30_35_61 4294967296)) v_ArrVal_1167)) (.cse5 (+ .cse0 aux_mod_aux_mod_aux_mod_~next~0_30_35_61))) (or (<= (mod (mod (+ .cse0 (- 4294967295) aux_mod_aux_mod_aux_mod_~next~0_30_35_61) .cse1) 4294967296) 0) (<= 8589934591 .cse2) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse3 .cse4))) (<= 4294967296 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) (< .cse2 4294967295) (<= 8589934591 .cse5) (not (= .cse6 (select (store .cse3 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ 1 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) 4294967296) .cse1) 4294967296) (- 4294967296)) v_ArrVal_1170) .cse7))) (< .cse5 4294967295) (<= aux_mod_aux_mod_aux_mod_~next~0_30_35_61 2147483647))))) .cse9) (or .cse10 (forall ((aux_div_aux_mod_aux_mod_~next~0_30_35_61 Int) (aux_mod_aux_mod_aux_mod_~next~0_30_35_61 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_1170 Int)) (let ((.cse11 (* aux_div_aux_mod_aux_mod_~next~0_30_35_61 4294967296)) (.cse16 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (let ((.cse12 (+ .cse11 .cse16 aux_mod_aux_mod_aux_mod_~next~0_30_35_61)) (.cse13 (store .cse8 (+ |c_~#buffer~0.offset| (- 4294967296) (mod aux_mod_aux_mod_aux_mod_~next~0_30_35_61 4294967296)) v_ArrVal_1167)) (.cse15 (+ .cse11 aux_mod_aux_mod_aux_mod_~next~0_30_35_61))) (or (<= (mod (mod (+ .cse11 (- 4294967295) aux_mod_aux_mod_aux_mod_~next~0_30_35_61) .cse1) 4294967296) 0) (<= 8589934591 .cse12) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse13 .cse14))) (<= 4294967296 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) (< .cse12 4294967295) (<= 8589934591 .cse15) (not (= .cse6 (select (store .cse13 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ 1 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) 4294967296) .cse1) 4294967296) (- 4294967296)) v_ArrVal_1170) .cse7))) (< .cse15 4294967295) (<= aux_mod_aux_mod_aux_mod_~next~0_30_35_61 2147483647) (<= (mod (mod (mod (+ (mod (+ .cse11 (- 4294967295) .cse16 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) .cse1) 1) 4294967296) .cse1) 4294967296) 0))))))) .cse17) (or (forall ((aux_div_aux_mod_aux_mod_~next~0_30_35_61 Int) (aux_mod_aux_mod_aux_mod_~next~0_30_35_61 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_1170 Int)) (let ((.cse21 (* aux_div_aux_mod_aux_mod_~next~0_30_35_61 4294967296))) (let ((.cse19 (+ .cse21 (* aux_div_aux_mod_~next~0_30_35 4294967296) aux_mod_aux_mod_aux_mod_~next~0_30_35_61)) (.cse18 (store .cse8 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_~next~0_30_35_61 4294967296)) v_ArrVal_1167)) (.cse20 (+ .cse21 aux_mod_aux_mod_aux_mod_~next~0_30_35_61))) (or (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse18 .cse14))) (< aux_mod_aux_mod_aux_mod_~next~0_30_35_61 0) (<= 8589934591 .cse19) (< 2147483647 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) (< .cse19 4294967295) (<= 8589934591 .cse20) (not (= (select (store .cse18 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ 1 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) 4294967296) .cse1) 4294967296) (- 4294967296)) v_ArrVal_1170) .cse7) .cse6)) (< .cse20 4294967295))))) .cse10 .cse17) (or .cse22 (forall ((aux_div_aux_mod_aux_mod_~next~0_30_35_61 Int) (aux_mod_aux_mod_aux_mod_~next~0_30_35_61 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_1170 Int)) (let ((.cse23 (* aux_div_aux_mod_aux_mod_~next~0_30_35_61 4294967296)) (.cse28 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (let ((.cse25 (store .cse8 (+ |c_~#buffer~0.offset| (- 4294967296) (mod aux_mod_aux_mod_aux_mod_~next~0_30_35_61 4294967296)) v_ArrVal_1167)) (.cse24 (+ .cse23 .cse28 aux_mod_aux_mod_aux_mod_~next~0_30_35_61)) (.cse27 (+ .cse23 aux_mod_aux_mod_aux_mod_~next~0_30_35_61))) (or (<= (mod (mod (+ .cse23 (- 4294967295) aux_mod_aux_mod_aux_mod_~next~0_30_35_61) .cse1) 4294967296) 0) (<= 8589934591 .cse24) (not (= .cse6 (select (store .cse25 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ 1 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) 4294967296) .cse1) 4294967296)) v_ArrVal_1170) .cse26))) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse25 .cse4))) (<= 4294967296 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) (< .cse24 4294967295) (<= 8589934591 .cse27) (< .cse27 4294967295) (<= aux_mod_aux_mod_aux_mod_~next~0_30_35_61 2147483647) (<= (mod (mod (mod (+ (mod (+ .cse23 (- 4294967295) .cse28 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) .cse1) 1) 4294967296) .cse1) 4294967296) 0))))) .cse9) (or (and (or (forall ((aux_div_aux_mod_aux_mod_~next~0_30_35_61 Int) (aux_mod_aux_mod_aux_mod_~next~0_30_35_61 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_1170 Int)) (let ((.cse29 (* aux_div_aux_mod_aux_mod_~next~0_30_35_61 4294967296)) (.cse33 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (let ((.cse30 (store .cse8 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_~next~0_30_35_61 4294967296)) v_ArrVal_1167)) (.cse31 (+ .cse29 .cse33 aux_mod_aux_mod_aux_mod_~next~0_30_35_61)) (.cse32 (+ .cse29 aux_mod_aux_mod_aux_mod_~next~0_30_35_61))) (or (<= (mod (mod (+ .cse29 (- 4294967295) aux_mod_aux_mod_aux_mod_~next~0_30_35_61) .cse1) 4294967296) 0) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse30 .cse4))) (< aux_mod_aux_mod_aux_mod_~next~0_30_35_61 0) (<= 8589934591 .cse31) (not (= (select (store .cse30 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ 1 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) 4294967296) .cse1) 4294967296)) v_ArrVal_1170) .cse26) .cse6)) (< 2147483647 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) (< .cse31 4294967295) (<= 8589934591 .cse32) (< .cse32 4294967295) (<= (mod (mod (mod (+ (mod (+ .cse29 (- 4294967295) .cse33 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) .cse1) 1) 4294967296) .cse1) 4294967296) 0))))) .cse22) (or (forall ((aux_div_aux_mod_aux_mod_~next~0_30_35_61 Int) (aux_mod_aux_mod_aux_mod_~next~0_30_35_61 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_~next~0_30_35 Int) (v_ArrVal_1170 Int)) (let ((.cse37 (* aux_div_aux_mod_aux_mod_~next~0_30_35_61 4294967296)) (.cse38 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (let ((.cse35 (+ .cse37 .cse38 aux_mod_aux_mod_aux_mod_~next~0_30_35_61)) (.cse34 (store .cse8 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_~next~0_30_35_61 4294967296)) v_ArrVal_1167)) (.cse36 (+ .cse37 aux_mod_aux_mod_aux_mod_~next~0_30_35_61))) (or (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse34 .cse4))) (< aux_mod_aux_mod_aux_mod_~next~0_30_35_61 0) (<= 8589934591 .cse35) (< 2147483647 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) (< .cse35 4294967295) (<= 8589934591 .cse36) (not (= (select (store .cse34 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ 1 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) 4294967296) .cse1) 4294967296) (- 4294967296)) v_ArrVal_1170) .cse7) .cse6)) (< .cse36 4294967295) (<= (mod (mod (mod (+ (mod (+ .cse37 (- 4294967295) .cse38 aux_mod_aux_mod_aux_mod_~next~0_30_35_61) .cse1) 1) 4294967296) .cse1) 4294967296) 0))))) .cse17)) .cse9)) (< (mod (+ 2 c_~first~0) 4294967296) .cse1)) (or (and (or (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (aux_div_aux_mod_~next~0_30_35 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1170 Int)) (let ((.cse40 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse39 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse41 (store .cse8 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296)) v_ArrVal_1167)) (.cse43 (+ .cse39 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse42 (+ .cse39 .cse40 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse44 (+ .cse39 .cse40 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (* aux_div_aux_mod_~next~0_30_35 4294967296)))) (or (<= (mod (mod (+ .cse39 .cse40 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse1) 4294967296) 0) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (not (= (select .cse41 .cse4) |c_t1Thread1of1ForFork0_~i~0#1|)) (<= 8589934591 .cse42) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ .cse39 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse1) 1) 4294967296) .cse1) 1) 4294967296) .cse1) 4294967296)) (not (= .cse6 (select (store .cse41 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse1) 4294967296)) v_ArrVal_1170) .cse26))) (< aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 0) (<= 8589934591 .cse43) (< .cse43 4294967295) (< .cse42 4294967295) (<= 8589934591 .cse44) (< .cse44 4294967295))))) .cse22) (or (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (aux_div_aux_mod_~next~0_30_35 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1170 Int)) (let ((.cse50 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse47 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse45 (store .cse8 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296)) v_ArrVal_1167)) (.cse48 (+ .cse47 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse46 (+ .cse47 .cse50 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse49 (+ .cse47 .cse50 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (* aux_div_aux_mod_~next~0_30_35 4294967296)))) (or (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (not (= (select .cse45 .cse4) |c_t1Thread1of1ForFork0_~i~0#1|)) (not (= (select (store .cse45 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse1) 4294967296)) v_ArrVal_1170) .cse7) .cse6)) (<= 8589934591 .cse46) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ .cse47 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse1) 1) 4294967296) .cse1) 1) 4294967296) .cse1) 4294967296)) (< aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 0) (<= 8589934591 .cse48) (< .cse48 4294967295) (< .cse46 4294967295) (<= 8589934591 .cse49) (< .cse49 4294967295))))) .cse17)) .cse9) (or (and (or (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (aux_div_aux_mod_~next~0_30_35 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1170 Int)) (let ((.cse52 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse51 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse54 (+ .cse51 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse53 (+ .cse51 .cse52 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse55 (+ .cse51 .cse52 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse56 (store .cse8 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296) (- 4294967296)) v_ArrVal_1167))) (or (<= (mod (mod (+ .cse51 .cse52 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse1) 4294967296) 0) (<= 8589934591 .cse53) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ .cse51 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse1) 1) 4294967296) .cse1) 1) 4294967296) .cse1) 4294967296)) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (<= 8589934591 .cse54) (< .cse54 4294967295) (< .cse53 4294967295) (<= 8589934591 .cse55) (< .cse55 4294967295) (not (= .cse6 (select (store .cse56 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse1) 4294967296)) v_ArrVal_1170) .cse26))) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse56 .cse4))) (<= aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 2147483647))))) .cse9) (or (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (aux_div_aux_mod_~next~0_30_35 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1170 Int)) (let ((.cse58 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse57 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse61 (+ .cse57 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse60 (+ .cse57 .cse58 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse62 (+ .cse57 .cse58 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse59 (store .cse8 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296) (- 4294967296)) v_ArrVal_1167))) (or (<= (mod (mod (+ .cse57 .cse58 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse1) 4294967296) 0) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse59 .cse14))) (<= 8589934591 .cse60) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ .cse57 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse1) 1) 4294967296) .cse1) 1) 4294967296) .cse1) 4294967296)) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (<= 8589934591 .cse61) (< .cse61 4294967295) (< .cse60 4294967295) (<= 8589934591 .cse62) (< .cse62 4294967295) (not (= .cse6 (select (store .cse59 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse1) 4294967296)) v_ArrVal_1170) .cse26))) (<= aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 2147483647))))) .cse10)) .cse22) (or (and (or (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (aux_div_aux_mod_~next~0_30_35 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1170 Int)) (let ((.cse68 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse65 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse66 (+ .cse65 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse64 (+ .cse65 .cse68 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse63 (store .cse8 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296) (- 4294967296)) v_ArrVal_1167)) (.cse67 (+ .cse65 .cse68 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (* aux_div_aux_mod_~next~0_30_35 4294967296)))) (or (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse63 .cse14))) (<= 8589934591 .cse64) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ .cse65 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse1) 1) 4294967296) .cse1) 1) 4294967296) .cse1) 4294967296)) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (<= 8589934591 .cse66) (< .cse66 4294967295) (< .cse64 4294967295) (not (= .cse6 (select (store .cse63 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse1) 4294967296)) v_ArrVal_1170) .cse7))) (<= 8589934591 .cse67) (< .cse67 4294967295) (<= aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 2147483647))))) .cse10) (or (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (aux_div_aux_mod_~next~0_30_35 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1170 Int)) (let ((.cse74 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse70 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse71 (+ .cse70 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse69 (+ .cse70 .cse74 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse73 (+ .cse70 .cse74 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (* aux_div_aux_mod_~next~0_30_35 4294967296))) (.cse72 (store .cse8 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296) (- 4294967296)) v_ArrVal_1167))) (or (<= 8589934591 .cse69) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ .cse70 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse1) 1) 4294967296) .cse1) 1) 4294967296) .cse1) 4294967296)) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (<= 8589934591 .cse71) (< .cse71 4294967295) (< .cse69 4294967295) (not (= .cse6 (select (store .cse72 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse1) 4294967296)) v_ArrVal_1170) .cse7))) (<= 8589934591 .cse73) (< .cse73 4294967295) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse72 .cse4))) (<= aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 2147483647))))) .cse9)) .cse17) (or .cse10 (and (or (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (aux_div_aux_mod_~next~0_30_35 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1170 Int)) (let ((.cse80 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse77 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse75 (store .cse8 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296)) v_ArrVal_1167)) (.cse78 (+ .cse77 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse76 (+ .cse77 .cse80 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse79 (+ .cse77 .cse80 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (* aux_div_aux_mod_~next~0_30_35 4294967296)))) (or (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (not (= (select (store .cse75 (+ |c_~#buffer~0.offset| (- 4294967296) (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse1) 4294967296)) v_ArrVal_1170) .cse7) .cse6)) (<= 8589934591 .cse76) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ .cse77 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse1) 1) 4294967296) .cse1) 1) 4294967296) .cse1) 4294967296)) (< aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 0) (<= 8589934591 .cse78) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse75 .cse14))) (< .cse78 4294967295) (< .cse76 4294967295) (<= 8589934591 .cse79) (< .cse79 4294967295))))) .cse17) (or .cse22 (forall ((aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1167 Int) (aux_div_aux_mod_aux_mod_~next~0_30_35_46 Int) (aux_div_aux_mod_~next~0_30_35 Int) (aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 Int) (v_ArrVal_1170 Int)) (let ((.cse82 (* aux_div_aux_mod_aux_mod_~next~0_30_35_46 4294967296)) (.cse81 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72))) (let ((.cse84 (store .cse8 (+ |c_~#buffer~0.offset| (mod aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 4294967296)) v_ArrVal_1167)) (.cse85 (+ .cse81 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse83 (+ .cse81 .cse82 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72)) (.cse86 (+ .cse81 .cse82 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (* aux_div_aux_mod_~next~0_30_35 4294967296)))) (or (<= (mod (mod (+ .cse81 .cse82 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse1) 4294967296) 0) (< 2147483647 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72) (<= 8589934591 .cse83) (< 0 (mod (mod (mod (+ (mod (mod (+ (mod (+ .cse81 aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 (- 4294967295)) .cse1) 1) 4294967296) .cse1) 1) 4294967296) .cse1) 4294967296)) (not (= .cse6 (select (store .cse84 (+ |c_~#buffer~0.offset| (mod (mod (mod (+ aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 1) 4294967296) .cse1) 4294967296)) v_ArrVal_1170) .cse26))) (< aux_mod_aux_mod_aux_mod_aux_mod_~next~0_30_35_46_72 0) (<= 8589934591 .cse85) (not (= |c_t1Thread1of1ForFork0_~i~0#1| (select .cse84 .cse14))) (< .cse85 4294967295) (< .cse83 4294967295) (<= 8589934591 .cse86) (< .cse86 4294967295)))))))))))) (not (< .cse88 .cse1)))) is different from true Received shutdown request... [2023-05-04 07:32:06,696 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 07:32:06,698 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-05-04 07:32:06,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-04 07:32:06,721 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 07:32:06,721 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 07:32:06,721 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 07:32:06,721 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 07:32:06,721 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 07:32:06,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-04 07:32:06,898 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 260 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 1ms.. [2023-05-04 07:32:06,899 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-05-04 07:32:06,900 INFO L307 ceAbstractionStarter]: Result for error location t2Thread1of1ForFork1 was TIMEOUT (3/3) [2023-05-04 07:32:06,901 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 07:32:06,901 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 07:32:06,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:32:06 BasicIcfg [2023-05-04 07:32:06,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 07:32:06,904 INFO L158 Benchmark]: Toolchain (without parser) took 865119.86ms. Allocated memory was 204.5MB in the beginning and 356.5MB in the end (delta: 152.0MB). Free memory was 175.7MB in the beginning and 254.2MB in the end (delta: -78.5MB). Peak memory consumption was 233.2MB. Max. memory is 8.0GB. [2023-05-04 07:32:06,904 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 204.5MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 07:32:06,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.77ms. Allocated memory was 204.5MB in the beginning and 296.7MB in the end (delta: 92.3MB). Free memory was 175.5MB in the beginning and 254.4MB in the end (delta: -79.0MB). Peak memory consumption was 17.6MB. Max. memory is 8.0GB. [2023-05-04 07:32:06,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.33ms. Allocated memory is still 296.7MB. Free memory was 254.4MB in the beginning and 252.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 07:32:06,905 INFO L158 Benchmark]: Boogie Preprocessor took 29.46ms. Allocated memory is still 296.7MB. Free memory was 252.0MB in the beginning and 250.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 07:32:06,905 INFO L158 Benchmark]: RCFGBuilder took 454.98ms. Allocated memory is still 296.7MB. Free memory was 249.9MB in the beginning and 232.1MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-05-04 07:32:06,905 INFO L158 Benchmark]: TraceAbstraction took 864013.65ms. Allocated memory was 296.7MB in the beginning and 356.5MB in the end (delta: 59.8MB). Free memory was 231.0MB in the beginning and 254.4MB in the end (delta: -23.4MB). Peak memory consumption was 197.9MB. Max. memory is 8.0GB. [2023-05-04 07:32:06,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 204.5MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 550.77ms. Allocated memory was 204.5MB in the beginning and 296.7MB in the end (delta: 92.3MB). Free memory was 175.5MB in the beginning and 254.4MB in the end (delta: -79.0MB). Peak memory consumption was 17.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.33ms. Allocated memory is still 296.7MB. Free memory was 254.4MB in the beginning and 252.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.46ms. Allocated memory is still 296.7MB. Free memory was 252.0MB in the beginning and 250.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 454.98ms. Allocated memory is still 296.7MB. Free memory was 249.9MB in the beginning and 232.1MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 864013.65ms. Allocated memory was 296.7MB in the beginning and 356.5MB in the end (delta: 59.8MB). Free memory was 231.0MB in the beginning and 254.4MB in the end (delta: -23.4MB). Peak memory consumption was 197.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20967, independent: 18916, independent conditional: 11612, independent unconditional: 7304, dependent: 2047, dependent conditional: 2024, dependent unconditional: 23, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19031, independent: 18916, independent conditional: 11612, independent unconditional: 7304, dependent: 111, dependent conditional: 88, dependent unconditional: 23, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19031, independent: 18916, independent conditional: 11612, independent unconditional: 7304, dependent: 111, dependent conditional: 88, dependent unconditional: 23, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19432, independent: 18916, independent conditional: 19, independent unconditional: 18897, dependent: 502, dependent conditional: 372, dependent unconditional: 130, unknown: 14, unknown conditional: 10, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19432, independent: 18916, independent conditional: 19, independent unconditional: 18897, dependent: 502, dependent conditional: 163, dependent unconditional: 339, unknown: 14, unknown conditional: 7, unknown unconditional: 7] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19432, independent: 18916, independent conditional: 19, independent unconditional: 18897, dependent: 502, dependent conditional: 163, dependent unconditional: 339, unknown: 14, unknown conditional: 7, unknown unconditional: 7] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4742, independent: 4707, independent conditional: 2, independent unconditional: 4705, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4742, independent: 4699, independent conditional: 0, independent unconditional: 4699, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6617, independent: 66, independent conditional: 4, independent unconditional: 62, dependent: 126, dependent conditional: 22, dependent unconditional: 104, unknown: 6425, unknown conditional: 4268, unknown unconditional: 2158] , Protected Queries: 0 ], Cache Queries: [ total: 19432, independent: 14209, independent conditional: 17, independent unconditional: 14192, dependent: 473, dependent conditional: 157, dependent unconditional: 316, unknown: 4750, unknown conditional: 15, unknown unconditional: 4735] , Statistics on independence cache: Total cache size (in pairs): 4736, Positive cache size: 4707, Positive conditional cache size: 2, Positive unconditional cache size: 4705, Negative cache size: 29, Negative conditional cache size: 6, Negative unconditional cache size: 23, Unknown cache size: 6, Unknown conditional cache size: 4, Unknown unconditional cache size: 2, Eliminated conditions: 212, Maximal queried relation: 6, Independence queries for same thread: 1936 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.5s, Number of persistent set computation: 1895, Number of trivial persistent sets: 1714, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7329, independent: 7304, independent conditional: 0, independent unconditional: 7304, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20967, independent: 18916, independent conditional: 11612, independent unconditional: 7304, dependent: 2047, dependent conditional: 2024, dependent unconditional: 23, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19031, independent: 18916, independent conditional: 11612, independent unconditional: 7304, dependent: 111, dependent conditional: 88, dependent unconditional: 23, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19031, independent: 18916, independent conditional: 11612, independent unconditional: 7304, dependent: 111, dependent conditional: 88, dependent unconditional: 23, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19432, independent: 18916, independent conditional: 19, independent unconditional: 18897, dependent: 502, dependent conditional: 372, dependent unconditional: 130, unknown: 14, unknown conditional: 10, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19432, independent: 18916, independent conditional: 19, independent unconditional: 18897, dependent: 502, dependent conditional: 163, dependent unconditional: 339, unknown: 14, unknown conditional: 7, unknown unconditional: 7] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19432, independent: 18916, independent conditional: 19, independent unconditional: 18897, dependent: 502, dependent conditional: 163, dependent unconditional: 339, unknown: 14, unknown conditional: 7, unknown unconditional: 7] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4742, independent: 4707, independent conditional: 2, independent unconditional: 4705, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4742, independent: 4699, independent conditional: 0, independent unconditional: 4699, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 29, dependent conditional: 6, dependent unconditional: 23, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6617, independent: 66, independent conditional: 4, independent unconditional: 62, dependent: 126, dependent conditional: 22, dependent unconditional: 104, unknown: 6425, unknown conditional: 4268, unknown unconditional: 2158] , Protected Queries: 0 ], Cache Queries: [ total: 19432, independent: 14209, independent conditional: 17, independent unconditional: 14192, dependent: 473, dependent conditional: 157, dependent unconditional: 316, unknown: 4750, unknown conditional: 15, unknown unconditional: 4735] , Statistics on independence cache: Total cache size (in pairs): 4736, Positive cache size: 4707, Positive conditional cache size: 2, Positive unconditional cache size: 4705, Negative cache size: 29, Negative conditional cache size: 6, Negative unconditional cache size: 23, Unknown cache size: 6, Unknown conditional cache size: 4, Unknown unconditional cache size: 2, Eliminated conditions: 212, Maximal queried relation: 6, Independence queries for same thread: 1936 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2986, independent: 2954, independent conditional: 75, independent unconditional: 2879, dependent: 29, dependent conditional: 19, dependent unconditional: 10, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2967, independent: 2954, independent conditional: 75, independent unconditional: 2879, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2967, independent: 2954, independent conditional: 75, independent unconditional: 2879, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2967, independent: 2954, independent conditional: 0, independent unconditional: 2954, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2967, independent: 2954, independent conditional: 0, independent unconditional: 2954, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2967, independent: 2954, independent conditional: 0, independent unconditional: 2954, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2679, independent: 2667, independent conditional: 0, independent unconditional: 2667, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2679, independent: 2664, independent conditional: 0, independent unconditional: 2664, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2215, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 2115, unknown conditional: 0, unknown unconditional: 2115] , Protected Queries: 0 ], Cache Queries: [ total: 2967, independent: 287, independent conditional: 0, independent unconditional: 287, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2680, unknown conditional: 0, unknown unconditional: 2680] , Statistics on independence cache: Total cache size (in pairs): 2677, Positive cache size: 2667, Positive conditional cache size: 0, Positive unconditional cache size: 2667, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 19 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.2s, Number of persistent set computation: 122, Number of trivial persistent sets: 112, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2891, independent: 2879, independent conditional: 0, independent unconditional: 2879, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2986, independent: 2954, independent conditional: 75, independent unconditional: 2879, dependent: 29, dependent conditional: 19, dependent unconditional: 10, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2967, independent: 2954, independent conditional: 75, independent unconditional: 2879, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2967, independent: 2954, independent conditional: 75, independent unconditional: 2879, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2967, independent: 2954, independent conditional: 0, independent unconditional: 2954, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2967, independent: 2954, independent conditional: 0, independent unconditional: 2954, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2967, independent: 2954, independent conditional: 0, independent unconditional: 2954, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2679, independent: 2667, independent conditional: 0, independent unconditional: 2667, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2679, independent: 2664, independent conditional: 0, independent unconditional: 2664, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2215, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 2115, unknown conditional: 0, unknown unconditional: 2115] , Protected Queries: 0 ], Cache Queries: [ total: 2967, independent: 287, independent conditional: 0, independent unconditional: 287, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2680, unknown conditional: 0, unknown unconditional: 2680] , Statistics on independence cache: Total cache size (in pairs): 2677, Positive cache size: 2667, Positive conditional cache size: 0, Positive unconditional cache size: 2667, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 19 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10001, independent: 8868, independent conditional: 2196, independent unconditional: 6672, dependent: 1132, dependent conditional: 1108, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8929, independent: 8868, independent conditional: 2196, independent unconditional: 6672, dependent: 60, dependent conditional: 36, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8929, independent: 8868, independent conditional: 2196, independent unconditional: 6672, dependent: 60, dependent conditional: 36, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9073, independent: 8868, independent conditional: 0, independent unconditional: 8868, dependent: 204, dependent conditional: 144, dependent unconditional: 60, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9073, independent: 8868, independent conditional: 0, independent unconditional: 8868, dependent: 204, dependent conditional: 36, dependent unconditional: 168, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9073, independent: 8868, independent conditional: 0, independent unconditional: 8868, dependent: 204, dependent conditional: 36, dependent unconditional: 168, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4484, independent: 4457, independent conditional: 0, independent unconditional: 4457, dependent: 26, dependent conditional: 2, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4484, independent: 4451, independent conditional: 0, independent unconditional: 4451, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 26, dependent conditional: 2, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 26, dependent conditional: 2, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1187, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 71, dependent conditional: 3, dependent unconditional: 68, unknown: 1085, unknown conditional: 0, unknown unconditional: 1085] , Protected Queries: 0 ], Cache Queries: [ total: 9073, independent: 4411, independent conditional: 0, independent unconditional: 4411, dependent: 178, dependent conditional: 34, dependent unconditional: 144, unknown: 4484, unknown conditional: 2, unknown unconditional: 4482] , Statistics on independence cache: Total cache size (in pairs): 4483, Positive cache size: 4457, Positive conditional cache size: 0, Positive unconditional cache size: 4457, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 108, Maximal queried relation: 7, Independence queries for same thread: 1072 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.2s, Number of persistent set computation: 406, Number of trivial persistent sets: 285, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6697, independent: 6672, independent conditional: 0, independent unconditional: 6672, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10001, independent: 8868, independent conditional: 2196, independent unconditional: 6672, dependent: 1132, dependent conditional: 1108, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8929, independent: 8868, independent conditional: 2196, independent unconditional: 6672, dependent: 60, dependent conditional: 36, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8929, independent: 8868, independent conditional: 2196, independent unconditional: 6672, dependent: 60, dependent conditional: 36, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9073, independent: 8868, independent conditional: 0, independent unconditional: 8868, dependent: 204, dependent conditional: 144, dependent unconditional: 60, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9073, independent: 8868, independent conditional: 0, independent unconditional: 8868, dependent: 204, dependent conditional: 36, dependent unconditional: 168, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9073, independent: 8868, independent conditional: 0, independent unconditional: 8868, dependent: 204, dependent conditional: 36, dependent unconditional: 168, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4484, independent: 4457, independent conditional: 0, independent unconditional: 4457, dependent: 26, dependent conditional: 2, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4484, independent: 4451, independent conditional: 0, independent unconditional: 4451, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 26, dependent conditional: 2, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 26, dependent conditional: 2, dependent unconditional: 24, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1187, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 71, dependent conditional: 3, dependent unconditional: 68, unknown: 1085, unknown conditional: 0, unknown unconditional: 1085] , Protected Queries: 0 ], Cache Queries: [ total: 9073, independent: 4411, independent conditional: 0, independent unconditional: 4411, dependent: 178, dependent conditional: 34, dependent unconditional: 144, unknown: 4484, unknown conditional: 2, unknown unconditional: 4482] , Statistics on independence cache: Total cache size (in pairs): 4483, Positive cache size: 4457, Positive conditional cache size: 0, Positive unconditional cache size: 4457, Negative cache size: 26, Negative conditional cache size: 2, Negative unconditional cache size: 24, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 108, Maximal queried relation: 7, Independence queries for same thread: 1072 - PositiveResult [Line: 714]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 731]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - TimeoutResultAtElement [Line: 749]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 260 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 1ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 226 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 659 NumberOfCodeBlocks, 659 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 652 ConstructedInterpolants, 1 QuantifiedInterpolants, 1615 SizeOfPredicates, 5 NumberOfNonLiveVariables, 819 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 27/27 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 226 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 2.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 226 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 851.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 198.5s, 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: 161, 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: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 103.5s InterpolantComputationTime, 1606 NumberOfCodeBlocks, 1606 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2319 ConstructedInterpolants, 85 QuantifiedInterpolants, 19133 SizeOfPredicates, 57 NumberOfNonLiveVariables, 2760 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 1304/1509 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