/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/weaver/parallel-min-max-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 06:09:00,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 06:09:00,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 06:09:00,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 06:09:00,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 06:09:00,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 06:09:00,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 06:09:00,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 06:09:00,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 06:09:00,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 06:09:00,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 06:09:00,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 06:09:00,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 06:09:00,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 06:09:00,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 06:09:00,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 06:09:00,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 06:09:00,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 06:09:00,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 06:09:00,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 06:09:00,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 06:09:00,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 06:09:00,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 06:09:00,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 06:09:00,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 06:09:00,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 06:09:00,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 06:09:00,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 06:09:00,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 06:09:00,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 06:09:00,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 06:09:00,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 06:09:00,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 06:09:00,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 06:09:00,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 06:09:00,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 06:09:00,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 06:09:00,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 06:09:00,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 06:09:00,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 06:09:00,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 06:09:00,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 06:09:00,938 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 06:09:00,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 06:09:00,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 06:09:00,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 06:09:00,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 06:09:00,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 06:09:00,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 06:09:00,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 06:09:00,940 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 06:09:00,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 06:09:00,940 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 06:09:00,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 06:09:00,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 06:09:00,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 06:09:00,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 06:09:00,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 06:09:00,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 06:09:00,941 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 06:09:00,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 06:09:00,942 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 06:09:00,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 06:09:00,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 06:09:00,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 06:09:00,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 06:09:00,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 06:09:00,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:09:00,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 06:09:00,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 06:09:00,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 06:09:00,943 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 06:09:00,943 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 06:09:00,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 06:09:00,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 06:09:00,944 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 06:09:00,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 06:09:00,944 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 06:09:00,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 06:09:01,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 06:09:01,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 06:09:01,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 06:09:01,205 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 06:09:01,206 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 06:09:01,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2023-05-04 06:09:01,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a2e6aaf6/f86dd3be499b4851abf7743f2f06c0f1/FLAGaacffb4be [2023-05-04 06:09:01,698 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 06:09:01,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2023-05-04 06:09:01,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a2e6aaf6/f86dd3be499b4851abf7743f2f06c0f1/FLAGaacffb4be [2023-05-04 06:09:02,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a2e6aaf6/f86dd3be499b4851abf7743f2f06c0f1 [2023-05-04 06:09:02,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 06:09:02,087 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 06:09:02,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 06:09:02,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 06:09:02,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 06:09:02,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:09:02" (1/1) ... [2023-05-04 06:09:02,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cdea2ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02, skipping insertion in model container [2023-05-04 06:09:02,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:09:02" (1/1) ... [2023-05-04 06:09:02,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 06:09:02,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 06:09:02,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c[3057,3070] [2023-05-04 06:09:02,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:09:02,368 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 06:09:02,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c[3057,3070] [2023-05-04 06:09:02,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:09:02,413 INFO L208 MainTranslator]: Completed translation [2023-05-04 06:09:02,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02 WrapperNode [2023-05-04 06:09:02,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 06:09:02,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 06:09:02,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 06:09:02,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 06:09:02,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02" (1/1) ... [2023-05-04 06:09:02,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02" (1/1) ... [2023-05-04 06:09:02,456 INFO L138 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2023-05-04 06:09:02,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 06:09:02,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 06:09:02,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 06:09:02,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 06:09:02,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02" (1/1) ... [2023-05-04 06:09:02,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02" (1/1) ... [2023-05-04 06:09:02,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02" (1/1) ... [2023-05-04 06:09:02,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02" (1/1) ... [2023-05-04 06:09:02,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02" (1/1) ... [2023-05-04 06:09:02,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02" (1/1) ... [2023-05-04 06:09:02,489 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02" (1/1) ... [2023-05-04 06:09:02,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02" (1/1) ... [2023-05-04 06:09:02,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 06:09:02,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 06:09:02,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 06:09:02,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 06:09:02,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02" (1/1) ... [2023-05-04 06:09:02,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:09:02,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:09:02,524 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 06:09:02,539 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 06:09:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 06:09:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 06:09:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 06:09:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 06:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 06:09:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 06:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 06:09:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 06:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 06:09:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 06:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 06:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 06:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 06:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 06:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 06:09:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 06:09:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 06:09:02,557 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 06:09:02,644 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 06:09:02,646 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 06:09:02,913 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 06:09:02,957 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 06:09:02,957 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 06:09:02,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:09:02 BoogieIcfgContainer [2023-05-04 06:09:02,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 06:09:02,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 06:09:02,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 06:09:02,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 06:09:02,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 06:09:02" (1/3) ... [2023-05-04 06:09:02,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8fb43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:09:02, skipping insertion in model container [2023-05-04 06:09:02,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:09:02" (2/3) ... [2023-05-04 06:09:02,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8fb43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:09:02, skipping insertion in model container [2023-05-04 06:09:02,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:09:02" (3/3) ... [2023-05-04 06:09:02,965 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2023-05-04 06:09:02,970 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 06:09:02,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 06:09:02,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 06:09:02,982 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 06:09:03,040 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 06:09:03,078 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:09:03,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 06:09:03,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:09:03,080 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 06:09:03,093 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 06:09:03,106 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 06:09:03,118 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 06:09:03,122 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;@32a47886, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:09:03,123 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 06:09:03,412 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:09:03,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:09:03,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1558915932, now seen corresponding path program 1 times [2023-05-04 06:09:03,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:09:03,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196823293] [2023-05-04 06:09:03,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:09:03,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:09:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:09:03,709 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 06:09:03,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:09:03,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196823293] [2023-05-04 06:09:03,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196823293] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:09:03,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:09:03,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 06:09:03,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613054699] [2023-05-04 06:09:03,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:09:03,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 06:09:03,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:09:03,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 06:09:03,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 06:09:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:03,755 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:09:03,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 69.5) internal successors, (139), 2 states have internal predecessors, (139), 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 06:09:03,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:03,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:03,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 06:09:03,820 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:09:03,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:09:03,821 INFO L85 PathProgramCache]: Analyzing trace with hash 731127541, now seen corresponding path program 1 times [2023-05-04 06:09:03,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:09:03,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402301748] [2023-05-04 06:09:03,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:09:03,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:09:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:09:04,110 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 06:09:04,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:09:04,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402301748] [2023-05-04 06:09:04,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402301748] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:09:04,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:09:04,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 06:09:04,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427719457] [2023-05-04 06:09:04,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:09:04,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 06:09:04,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:09:04,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 06:09:04,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-05-04 06:09:04,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:04,115 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:09:04,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 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 06:09:04,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:04,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:04,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:04,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 06:09:04,251 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:09:04,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:09:04,253 INFO L85 PathProgramCache]: Analyzing trace with hash -712617613, now seen corresponding path program 1 times [2023-05-04 06:09:04,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:09:04,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872236155] [2023-05-04 06:09:04,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:09:04,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:09:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:09:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-04 06:09:04,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:09:04,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872236155] [2023-05-04 06:09:04,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872236155] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:09:04,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:09:04,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 06:09:04,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369043044] [2023-05-04 06:09:04,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:09:04,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 06:09:04,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:09:04,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 06:09:04,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-04 06:09:04,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:04,499 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:09:04,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 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 06:09:04,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:04,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:04,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:04,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:04,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 06:09:04,609 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:09:04,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:09:04,610 INFO L85 PathProgramCache]: Analyzing trace with hash 670505233, now seen corresponding path program 1 times [2023-05-04 06:09:04,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:09:04,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188934869] [2023-05-04 06:09:04,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:09:04,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:09:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:09:04,922 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 06:09:04,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:09:04,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188934869] [2023-05-04 06:09:04,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188934869] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:09:04,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043158954] [2023-05-04 06:09:04,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:09:04,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:09:04,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:09:04,928 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 06:09:04,955 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 06:09:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:09:05,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 06:09:05,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:09:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 06:09:05,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:09:05,537 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 06:09:05,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043158954] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:09:05,538 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:09:05,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-04 06:09:05,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534760922] [2023-05-04 06:09:05,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:09:05,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-04 06:09:05,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:09:05,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-04 06:09:05,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-05-04 06:09:05,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:05,540 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:09:05,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.958333333333334) internal successors, (215), 24 states have internal predecessors, (215), 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 06:09:05,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:05,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:05,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:05,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:09:05,788 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 06:09:05,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-05-04 06:09:05,981 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:09:05,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:09:05,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1583489971, now seen corresponding path program 2 times [2023-05-04 06:09:05,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:09:05,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93203656] [2023-05-04 06:09:05,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:09:05,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:09:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:09:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 06:09:06,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:09:06,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93203656] [2023-05-04 06:09:06,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93203656] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:09:06,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827046072] [2023-05-04 06:09:06,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:09:06,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:09:06,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:09:06,240 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 06:09:06,266 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 06:09:06,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-04 06:09:06,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:09:06,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-04 06:09:06,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:09:06,366 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-04 06:09:06,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 06:09:06,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827046072] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:09:06,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 06:09:06,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-05-04 06:09:06,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111008236] [2023-05-04 06:09:06,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:09:06,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 06:09:06,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:09:06,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 06:09:06,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-05-04 06:09:06,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:06,368 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:09:06,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 5 states have internal predecessors, (146), 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 06:09:06,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:06,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:06,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:06,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:09:06,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:09:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:06,444 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 06:09:06,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:09:06,639 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:09:06,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:09:06,640 INFO L85 PathProgramCache]: Analyzing trace with hash -105104715, now seen corresponding path program 1 times [2023-05-04 06:09:06,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:09:06,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701513913] [2023-05-04 06:09:06,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:09:06,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:09:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:09:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 06:09:06,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:09:06,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701513913] [2023-05-04 06:09:06,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701513913] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:09:06,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624688772] [2023-05-04 06:09:06,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:09:06,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:09:06,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:09:06,838 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 06:09:06,865 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 06:09:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:09:06,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 06:09:06,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:09:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 06:09:07,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:09:07,358 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 06:09:07,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624688772] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:09:07,359 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:09:07,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-04 06:09:07,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509805289] [2023-05-04 06:09:07,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:09:07,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-04 06:09:07,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:09:07,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-04 06:09:07,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-05-04 06:09:07,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:07,361 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:09:07,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.25) internal successors, (222), 24 states have internal predecessors, (222), 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 06:09:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:09:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:07,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:07,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:07,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:07,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:07,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:09:07,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:07,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:09:07,735 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 06:09:07,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:09:07,903 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:09:07,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:09:07,903 INFO L85 PathProgramCache]: Analyzing trace with hash 717428407, now seen corresponding path program 2 times [2023-05-04 06:09:07,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:09:07,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135730600] [2023-05-04 06:09:07,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:09:07,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:09:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:09:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:09:08,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:09:08,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135730600] [2023-05-04 06:09:08,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135730600] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:09:08,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174159749] [2023-05-04 06:09:08,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:09:08,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:09:08,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:09:08,234 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:09:08,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 06:09:08,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:09:08,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:09:08,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 06:09:08,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:09:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:09:08,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:09:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:09:08,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174159749] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:09:08,983 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:09:08,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-05-04 06:09:08,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41356426] [2023-05-04 06:09:08,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:09:08,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-04 06:09:08,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:09:08,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-04 06:09:08,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2023-05-04 06:09:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:08,985 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:09:08,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.9411764705882355) internal successors, (270), 34 states have internal predecessors, (270), 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 06:09:08,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:08,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:08,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:08,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:09:08,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:08,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:09:08,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:09:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:09:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:09:09,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 06:09:09,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:09:09,457 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:09:09,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:09:09,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1192370727, now seen corresponding path program 3 times [2023-05-04 06:09:09,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:09:09,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825157938] [2023-05-04 06:09:09,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:09:09,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:09:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:09:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:09:09,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:09:09,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825157938] [2023-05-04 06:09:09,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825157938] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:09:09,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57491556] [2023-05-04 06:09:09,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:09:09,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:09:09,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:09:09,716 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:09:09,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 06:09:09,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-04 06:09:09,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:09:09,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 06:09:09,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:09:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 26 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:09:10,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:09:10,385 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 06:09:10,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57491556] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:09:10,385 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:09:10,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-05-04 06:09:10,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009128554] [2023-05-04 06:09:10,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:09:10,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-04 06:09:10,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:09:10,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-04 06:09:10,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2023-05-04 06:09:10,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:10,387 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:09:10,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.676470588235294) internal successors, (261), 34 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:09:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:09:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:09:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:09:10,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:09:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:09:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:09:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:09:10,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 06:09:11,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:09:11,057 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:09:11,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:09:11,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1390373841, now seen corresponding path program 4 times [2023-05-04 06:09:11,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:09:11,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277265563] [2023-05-04 06:09:11,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:09:11,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:09:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:09:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-04 06:09:12,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:09:12,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277265563] [2023-05-04 06:09:12,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277265563] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:09:12,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350515993] [2023-05-04 06:09:12,507 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:09:12,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:09:12,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:09:12,508 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 06:09:12,512 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 06:09:12,642 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:09:12,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:09:12,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 41 conjunts are in the unsatisfiable core [2023-05-04 06:09:12,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:09:13,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:09:13,095 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 06:09:13,438 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:09:13,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2023-05-04 06:09:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-04 06:09:13,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:09:13,900 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (+ c_~A~0.offset 4 (* c_thread1Thread1of1ForFork0_~i~0 4))) (.cse2 (+ c_~A~0.offset 4))) (and (forall ((v_ArrVal_263 (Array Int Int))) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_263) c_~A~0.base))) (let ((.cse0 (select .cse1 .cse3))) (or (<= .cse0 (select .cse1 .cse2)) (< c_~min~0 .cse0))))) (forall ((v_ArrVal_263 (Array Int Int))) (let ((.cse4 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_263) c_~A~0.base))) (or (not (< c_~min~0 (select .cse4 .cse3))) (<= c_~min~0 (select .cse4 .cse2))))))) is different from false [2023-05-04 06:09:14,146 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-05-04 06:09:14,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350515993] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:09:14,146 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:09:14,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21, 15] total 40 [2023-05-04 06:09:14,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664095946] [2023-05-04 06:09:14,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:09:14,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-04 06:09:14,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:09:14,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-04 06:09:14,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1352, Unknown=2, NotChecked=74, Total=1560 [2023-05-04 06:09:14,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:14,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:09:14,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 9.85) internal successors, (394), 40 states have internal predecessors, (394), 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 06:09:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:09:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:09:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:09:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:09:14,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:09:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:09:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:09:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:09:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:09:23,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-04 06:09:23,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:09:23,568 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:09:23,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:09:23,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1525189163, now seen corresponding path program 5 times [2023-05-04 06:09:23,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:09:23,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900565337] [2023-05-04 06:09:23,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:09:23,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:09:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:09:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 40 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:09:23,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:09:23,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900565337] [2023-05-04 06:09:23,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900565337] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:09:23,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133606009] [2023-05-04 06:09:23,907 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 06:09:23,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:09:23,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:09:23,909 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 06:09:23,934 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 06:09:24,024 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-04 06:09:24,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:09:24,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 06:09:24,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:09:24,327 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 27 proven. 25 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 06:09:24,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:09:24,528 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-04 06:09:24,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133606009] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:09:24,528 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:09:24,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 14] total 41 [2023-05-04 06:09:24,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067229023] [2023-05-04 06:09:24,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:09:24,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-05-04 06:09:24,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:09:24,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-05-04 06:09:24,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1499, Unknown=0, NotChecked=0, Total=1640 [2023-05-04 06:09:24,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:24,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:09:24,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 7.804878048780488) internal successors, (320), 41 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:09:24,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:24,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:24,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:24,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:09:24,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:24,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:09:24,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:09:24,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:09:24,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:09:24,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:09:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:09:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:09:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:09:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:09:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:09:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:09:28,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:09:28,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:09:28,635 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 06:09:28,818 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,SelfDestructingSolverStorable9 [2023-05-04 06:09:28,819 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:09:28,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:09:28,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1924606041, now seen corresponding path program 6 times [2023-05-04 06:09:28,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:09:28,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022086459] [2023-05-04 06:09:28,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:09:28,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:09:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:09:29,347 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 63 proven. 69 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-04 06:09:29,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:09:29,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022086459] [2023-05-04 06:09:29,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022086459] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:09:29,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743331940] [2023-05-04 06:09:29,348 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 06:09:29,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:09:29,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:09:29,349 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 06:09:29,371 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 06:09:29,557 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-04 06:09:29,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:09:29,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 41 conjunts are in the unsatisfiable core [2023-05-04 06:09:29,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:09:30,209 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 06:09:30,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:09:30,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-05-04 06:09:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:09:30,524 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 34 treesize of output 32 [2023-05-04 06:09:30,570 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:09:30,570 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 21 [2023-05-04 06:09:30,719 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-05-04 06:09:30,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:09:30,846 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_350 (Array Int Int))) (< c_~min~0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_350) c_~A~0.base) c_~A~0.offset) 1))) is different from false [2023-05-04 06:09:31,119 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_349 (Array Int Int)) (thread1Thread1of1ForFork0_~i~0 Int) (v_ArrVal_350 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_349))) (let ((.cse0 (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset (* thread1Thread1of1ForFork0_~i~0 4))))) (or (< .cse0 (+ (select (select (store .cse1 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_350) c_~A~0.base) c_~A~0.offset) 1)) (< c_~min~0 .cse0))))) (forall ((v_ArrVal_349 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_349))) (or (forall ((v_ArrVal_350 (Array Int Int))) (< c_~min~0 (+ (select (select (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_350) c_~A~0.base) c_~A~0.offset) 1))) (forall ((thread1Thread1of1ForFork0_~i~0 Int)) (not (< c_~min~0 (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset (* thread1Thread1of1ForFork0_~i~0 4)))))))))) is different from false [2023-05-04 06:09:31,162 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4))))) (let ((.cse0 (< c_~min~0 .cse1))) (and (or .cse0 (and (forall ((v_ArrVal_349 (Array Int Int)) (v_ArrVal_350 (Array Int Int)) (v_subst_2 Int)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_349))) (let ((.cse2 (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset (* 4 v_subst_2))))) (or (< .cse1 .cse2) (< .cse2 (+ (select (select (store .cse3 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_350) c_~A~0.base) c_~A~0.offset) 1)))))) (forall ((v_ArrVal_349 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_349))) (or (forall ((v_subst_1 Int)) (not (< .cse1 (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset (* 4 v_subst_1)))))) (forall ((v_ArrVal_350 (Array Int Int))) (< .cse1 (+ (select (select (store .cse4 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_350) c_~A~0.base) c_~A~0.offset) 1)))))))) (or (and (forall ((v_ArrVal_349 (Array Int Int)) (thread1Thread1of1ForFork0_~i~0 Int) (v_ArrVal_350 (Array Int Int))) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_349))) (let ((.cse5 (select (select .cse6 c_~A~0.base) (+ c_~A~0.offset (* thread1Thread1of1ForFork0_~i~0 4))))) (or (< .cse5 (+ (select (select (store .cse6 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_350) c_~A~0.base) c_~A~0.offset) 1)) (< c_~min~0 .cse5))))) (forall ((v_ArrVal_349 (Array Int Int))) (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_349))) (or (forall ((v_ArrVal_350 (Array Int Int))) (< c_~min~0 (+ (select (select (store .cse7 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_350) c_~A~0.base) c_~A~0.offset) 1))) (forall ((thread1Thread1of1ForFork0_~i~0 Int)) (not (< c_~min~0 (select (select .cse7 c_~A~0.base) (+ c_~A~0.offset (* thread1Thread1of1ForFork0_~i~0 4)))))))))) (not .cse0))))) is different from false [2023-05-04 06:09:31,583 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset))) (and (forall ((v_ArrVal_349 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_349))) (or (forall ((v_subst_1 Int)) (not (< .cse0 (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset (* 4 v_subst_1)))))) (forall ((v_ArrVal_350 (Array Int Int))) (< .cse0 (+ (select (select (store .cse1 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_350) c_~A~0.base) c_~A~0.offset) 1)))))) (forall ((v_ArrVal_349 (Array Int Int)) (v_ArrVal_350 (Array Int Int)) (v_subst_2 Int)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_349))) (let ((.cse2 (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset (* 4 v_subst_2))))) (or (< .cse2 (+ (select (select (store .cse3 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_350) c_~A~0.base) c_~A~0.offset) 1)) (< .cse0 .cse2))))))) is different from false [2023-05-04 06:09:31,628 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:09:31,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3199 treesize of output 2857 [2023-05-04 06:09:31,659 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:09:31,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2847 treesize of output 2385 [2023-05-04 06:09:31,685 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 2262 treesize of output 2134 [2023-05-04 06:09:31,715 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:09:31,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2247 treesize of output 2013 [2023-05-04 06:10:02,756 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 06:10:02,756 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 06:10:02,760 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-05-04 06:10:02,760 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 1 [2023-05-04 06:10:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 101 trivial. 13 not checked. [2023-05-04 06:10:03,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743331940] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:10:03,110 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:10:03,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 20] total 56 [2023-05-04 06:10:03,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464987245] [2023-05-04 06:10:03,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:10:03,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-04 06:10:03,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:10:03,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-04 06:10:03,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=2465, Unknown=22, NotChecked=412, Total=3080 [2023-05-04 06:10:03,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:03,112 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:10:03,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 8.339285714285714) internal successors, (467), 56 states have internal predecessors, (467), 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 06:10:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:10:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:10:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:10:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:10:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:10:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:10:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-04 06:10:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:10:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:10:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:10:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:10:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:10:15,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:10:15,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-04 06:10:15,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 06:10:15,771 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 06:10:15,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:10:15,967 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:10:15,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:10:15,967 INFO L85 PathProgramCache]: Analyzing trace with hash 766389085, now seen corresponding path program 7 times [2023-05-04 06:10:15,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:10:15,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304540196] [2023-05-04 06:10:15,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:10:15,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:10:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:10:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 52 proven. 105 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 06:10:16,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:10:16,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304540196] [2023-05-04 06:10:16,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304540196] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:10:16,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641663677] [2023-05-04 06:10:16,462 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 06:10:16,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:10:16,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:10:16,463 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 06:10:16,463 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 06:10:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:10:16,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 06:10:16,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:10:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 89 proven. 68 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 06:10:17,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:10:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 96 proven. 61 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-04 06:10:17,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641663677] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:10:17,683 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:10:17,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2023-05-04 06:10:17,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886551911] [2023-05-04 06:10:17,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:10:17,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-04 06:10:17,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:10:17,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-04 06:10:17,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2406, Unknown=0, NotChecked=0, Total=2862 [2023-05-04 06:10:17,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:17,686 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:10:17,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.055555555555555) internal successors, (327), 54 states have internal predecessors, (327), 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 06:10:17,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:17,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:17,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:10:17,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:10:17,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:10:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:10:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:10:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:10:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-04 06:10:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-04 06:10:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:19,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:19,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:10:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:10:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:10:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:10:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:10:19,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:10:19,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2023-05-04 06:10:19,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 06:10:19,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:10:19,329 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 06:10:19,517 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,SelfDestructingSolverStorable11 [2023-05-04 06:10:19,517 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:10:19,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:10:19,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1071139295, now seen corresponding path program 8 times [2023-05-04 06:10:19,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:10:19,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106799369] [2023-05-04 06:10:19,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:10:19,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:10:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:10:19,941 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-05-04 06:10:19,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:10:19,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106799369] [2023-05-04 06:10:19,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106799369] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:10:19,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434642614] [2023-05-04 06:10:19,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:10:19,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:10:19,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:10:19,943 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 06:10:19,946 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 06:10:20,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:10:20,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:10:20,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 06:10:20,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:10:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-05-04 06:10:20,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:10:20,442 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-05-04 06:10:20,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434642614] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:10:20,442 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:10:20,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2023-05-04 06:10:20,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771609079] [2023-05-04 06:10:20,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:10:20,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-04 06:10:20,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:10:20,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-04 06:10:20,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-05-04 06:10:20,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:20,444 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:10:20,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 18.916666666666668) internal successors, (227), 12 states have internal predecessors, (227), 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 06:10:20,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:20,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:10:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:10:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:10:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:10:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:10:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:10:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2023-05-04 06:10:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-04 06:10:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:10:20,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:26,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:26,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:10:26,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:10:26,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:10:26,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:26,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:10:26,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:10:26,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:10:26,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 06:10:26,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-04 06:10:26,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:10:26,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:10:26,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:10:26,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-04 06:10:26,782 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,SelfDestructingSolverStorable12 [2023-05-04 06:10:26,785 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:10:26,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:10:26,785 INFO L85 PathProgramCache]: Analyzing trace with hash -848082741, now seen corresponding path program 9 times [2023-05-04 06:10:26,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:10:26,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973853007] [2023-05-04 06:10:26,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:10:26,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:10:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:10:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 47 proven. 78 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-04 06:10:27,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:10:27,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973853007] [2023-05-04 06:10:27,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973853007] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:10:27,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470947725] [2023-05-04 06:10:27,110 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:10:27,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:10:27,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:10:27,112 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 06:10:27,113 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 06:10:27,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 06:10:27,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:10:27,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-04 06:10:27,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:10:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 79 proven. 46 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-04 06:10:27,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:10:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 75 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-04 06:10:28,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470947725] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:10:28,191 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:10:28,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 49 [2023-05-04 06:10:28,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272658787] [2023-05-04 06:10:28,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:10:28,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-05-04 06:10:28,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:10:28,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-05-04 06:10:28,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=1944, Unknown=0, NotChecked=0, Total=2352 [2023-05-04 06:10:28,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:28,193 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:10:28,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 7.755102040816326) internal successors, (380), 49 states have internal predecessors, (380), 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 06:10:28,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:28,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:10:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:10:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:10:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:10:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:10:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:10:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 06:10:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-04 06:10:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:10:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:10:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:10:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:29,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:29,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:10:29,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:10:29,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:10:29,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:29,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:10:29,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:10:29,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:10:29,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 06:10:29,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-04 06:10:29,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:10:29,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:10:29,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:10:29,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-04 06:10:30,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-04 06:10:30,192 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,SelfDestructingSolverStorable13 [2023-05-04 06:10:30,193 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:10:30,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:10:30,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1141404633, now seen corresponding path program 10 times [2023-05-04 06:10:30,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:10:30,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015148561] [2023-05-04 06:10:30,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:10:30,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:10:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:10:30,603 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-05-04 06:10:30,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:10:30,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015148561] [2023-05-04 06:10:30,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015148561] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:10:30,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843442170] [2023-05-04 06:10:30,603 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:10:30,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:10:30,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:10:30,605 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 06:10:30,626 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 06:10:30,748 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:10:30,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:10:30,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 06:10:30,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:10:30,910 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-05-04 06:10:30,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:10:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-05-04 06:10:31,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843442170] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:10:31,038 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:10:31,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2023-05-04 06:10:31,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124579450] [2023-05-04 06:10:31,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:10:31,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-04 06:10:31,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:10:31,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-04 06:10:31,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-05-04 06:10:31,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:31,039 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:10:31,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 18.916666666666668) internal successors, (227), 12 states have internal predecessors, (227), 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 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-04 06:10:31,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:10:50,902 WARN L233 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 06:13:11,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:13:11,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:13:11,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:13:11,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 06:13:11,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 06:13:11,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-04 06:13:11,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-04 06:13:11,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 06:13:11,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-04 06:13:11,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 284 states. [2023-05-04 06:13:11,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2023-05-04 06:13:11,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-04 06:13:11,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:13:11,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:13:11,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 06:13:11,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 06:13:11,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 06:13:11,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 06:13:11,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 06:13:11,257 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 06:13:11,453 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,SelfDestructingSolverStorable14 [2023-05-04 06:13:11,457 INFO L444 BasicCegarLoop]: Path program histogram: [10, 2, 1, 1, 1] [2023-05-04 06:13:11,459 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 06:13:11,459 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 06:13:11,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 06:13:11 BasicIcfg [2023-05-04 06:13:11,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 06:13:11,461 INFO L158 Benchmark]: Toolchain (without parser) took 249374.83ms. Allocated memory was 210.8MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 188.0MB in the beginning and 831.3MB in the end (delta: -643.3MB). Peak memory consumption was 590.1MB. Max. memory is 8.0GB. [2023-05-04 06:13:11,462 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 210.8MB. Free memory is still 173.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 06:13:11,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.67ms. Allocated memory is still 210.8MB. Free memory was 187.7MB in the beginning and 185.0MB in the end (delta: 2.7MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2023-05-04 06:13:11,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.11ms. Allocated memory is still 210.8MB. Free memory was 185.0MB in the beginning and 183.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 06:13:11,462 INFO L158 Benchmark]: Boogie Preprocessor took 34.52ms. Allocated memory is still 210.8MB. Free memory was 183.1MB in the beginning and 181.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 06:13:11,462 INFO L158 Benchmark]: RCFGBuilder took 466.89ms. Allocated memory is still 210.8MB. Free memory was 181.1MB in the beginning and 160.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-05-04 06:13:11,462 INFO L158 Benchmark]: TraceAbstraction took 248500.52ms. Allocated memory was 210.8MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 159.0MB in the beginning and 831.3MB in the end (delta: -672.3MB). Peak memory consumption was 562.7MB. Max. memory is 8.0GB. [2023-05-04 06:13:11,463 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 210.8MB. Free memory is still 173.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 324.67ms. Allocated memory is still 210.8MB. Free memory was 187.7MB in the beginning and 185.0MB in the end (delta: 2.7MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.11ms. Allocated memory is still 210.8MB. Free memory was 185.0MB in the beginning and 183.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.52ms. Allocated memory is still 210.8MB. Free memory was 183.1MB in the beginning and 181.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 466.89ms. Allocated memory is still 210.8MB. Free memory was 181.1MB in the beginning and 160.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 248500.52ms. Allocated memory was 210.8MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 159.0MB in the beginning and 831.3MB in the end (delta: -672.3MB). Peak memory consumption was 562.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 802577, independent: 642818, independent conditional: 640818, independent unconditional: 2000, dependent: 159186, dependent conditional: 159152, dependent unconditional: 34, unknown: 573, unknown conditional: 573, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 643729, independent: 642818, independent conditional: 640818, independent unconditional: 2000, dependent: 338, dependent conditional: 304, dependent unconditional: 34, unknown: 573, unknown conditional: 573, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 643729, independent: 642818, independent conditional: 640818, independent unconditional: 2000, dependent: 338, dependent conditional: 304, dependent unconditional: 34, unknown: 573, unknown conditional: 573, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 689368, independent: 642818, independent conditional: 12083, independent unconditional: 630735, dependent: 45977, dependent conditional: 32983, dependent unconditional: 12994, unknown: 573, unknown conditional: 573, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 689368, independent: 642818, independent conditional: 12083, independent unconditional: 630735, dependent: 45977, dependent conditional: 19104, dependent unconditional: 26873, unknown: 573, unknown conditional: 573, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 689368, independent: 642818, independent conditional: 12083, independent unconditional: 630735, dependent: 45977, dependent conditional: 19104, dependent unconditional: 26873, unknown: 573, unknown conditional: 573, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2283, independent: 1921, independent conditional: 236, independent unconditional: 1685, dependent: 342, dependent conditional: 308, dependent unconditional: 34, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2283, independent: 1685, independent conditional: 0, independent unconditional: 1685, dependent: 598, dependent conditional: 0, dependent unconditional: 598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 598, independent: 236, independent conditional: 236, independent unconditional: 0, dependent: 342, dependent conditional: 308, dependent unconditional: 34, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 598, independent: 236, independent conditional: 236, independent unconditional: 0, dependent: 342, dependent conditional: 308, dependent unconditional: 34, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3538, independent: 956, independent conditional: 956, independent unconditional: 0, dependent: 1458, dependent conditional: 1286, dependent unconditional: 172, unknown: 1124, unknown conditional: 1124, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 689368, independent: 640897, independent conditional: 11847, independent unconditional: 629050, dependent: 45635, dependent conditional: 18796, dependent unconditional: 26839, unknown: 2836, unknown conditional: 1117, unknown unconditional: 1719] , Statistics on independence cache: Total cache size (in pairs): 2263, Positive cache size: 1921, Positive conditional cache size: 236, Positive unconditional cache size: 1685, Negative cache size: 342, Negative conditional cache size: 308, Negative unconditional cache size: 34, Unknown cache size: 20, Unknown conditional cache size: 20, Unknown unconditional cache size: 0, Eliminated conditions: 13879, Maximal queried relation: 12, Independence queries for same thread: 158848 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 3972, Number of trivial persistent sets: 2726, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2034, independent: 2000, independent conditional: 0, independent unconditional: 2000, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 802577, independent: 642818, independent conditional: 640818, independent unconditional: 2000, dependent: 159186, dependent conditional: 159152, dependent unconditional: 34, unknown: 573, unknown conditional: 573, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 643729, independent: 642818, independent conditional: 640818, independent unconditional: 2000, dependent: 338, dependent conditional: 304, dependent unconditional: 34, unknown: 573, unknown conditional: 573, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 643729, independent: 642818, independent conditional: 640818, independent unconditional: 2000, dependent: 338, dependent conditional: 304, dependent unconditional: 34, unknown: 573, unknown conditional: 573, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 689368, independent: 642818, independent conditional: 12083, independent unconditional: 630735, dependent: 45977, dependent conditional: 32983, dependent unconditional: 12994, unknown: 573, unknown conditional: 573, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 689368, independent: 642818, independent conditional: 12083, independent unconditional: 630735, dependent: 45977, dependent conditional: 19104, dependent unconditional: 26873, unknown: 573, unknown conditional: 573, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 689368, independent: 642818, independent conditional: 12083, independent unconditional: 630735, dependent: 45977, dependent conditional: 19104, dependent unconditional: 26873, unknown: 573, unknown conditional: 573, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2283, independent: 1921, independent conditional: 236, independent unconditional: 1685, dependent: 342, dependent conditional: 308, dependent unconditional: 34, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2283, independent: 1685, independent conditional: 0, independent unconditional: 1685, dependent: 598, dependent conditional: 0, dependent unconditional: 598, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 598, independent: 236, independent conditional: 236, independent unconditional: 0, dependent: 342, dependent conditional: 308, dependent unconditional: 34, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 598, independent: 236, independent conditional: 236, independent unconditional: 0, dependent: 342, dependent conditional: 308, dependent unconditional: 34, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3538, independent: 956, independent conditional: 956, independent unconditional: 0, dependent: 1458, dependent conditional: 1286, dependent unconditional: 172, unknown: 1124, unknown conditional: 1124, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 689368, independent: 640897, independent conditional: 11847, independent unconditional: 629050, dependent: 45635, dependent conditional: 18796, dependent unconditional: 26839, unknown: 2836, unknown conditional: 1117, unknown unconditional: 1719] , Statistics on independence cache: Total cache size (in pairs): 2263, Positive cache size: 1921, Positive conditional cache size: 236, Positive unconditional cache size: 1685, Negative cache size: 342, Negative conditional cache size: 308, Negative unconditional cache size: 34, Unknown cache size: 20, Unknown conditional cache size: 20, Unknown unconditional cache size: 0, Eliminated conditions: 13879, Maximal queried relation: 12, Independence queries for same thread: 158848 - PositiveResult [Line: 115]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 194 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 248.4s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 197.6s, 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: 822, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 45.6s InterpolantComputationTime, 4933 NumberOfCodeBlocks, 4857 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 6980 ConstructedInterpolants, 33 QuantifiedInterpolants, 28255 SizeOfPredicates, 194 NumberOfNonLiveVariables, 4492 ConjunctsInSsa, 216 ConjunctsInUnsatCore, 38 InterpolantComputations, 4 PerfectInterpolantSequences, 2272/3330 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-04 06:13:11,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 06:13:11,889 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-05-04 06:13:11,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...