/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 14:50:17,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 14:50:17,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 14:50:17,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 14:50:17,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 14:50:17,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 14:50:17,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 14:50:17,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 14:50:17,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 14:50:17,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 14:50:17,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 14:50:17,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 14:50:17,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 14:50:17,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 14:50:17,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 14:50:17,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 14:50:17,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 14:50:17,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 14:50:17,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 14:50:17,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 14:50:17,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 14:50:17,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 14:50:17,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 14:50:17,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 14:50:17,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 14:50:17,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 14:50:17,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 14:50:17,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 14:50:17,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 14:50:17,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 14:50:17,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 14:50:17,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 14:50:17,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 14:50:17,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 14:50:17,320 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 14:50:17,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 14:50:17,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 14:50:17,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 14:50:17,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 14:50:17,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 14:50:17,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 14:50:17,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 14:50:17,322 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 14:50:17,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 14:50:17,323 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 14:50:17,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 14:50:17,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 14:50:17,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 14:50:17,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 14:50:17,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 14:50:17,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 14:50:17,324 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 14:50:17,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 14:50:17,324 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 14:50:17,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 14:50:17,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 14:50:17,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 14:50:17,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 14:50:17,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 14:50:17,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 14:50:17,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 14:50:17,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 14:50:17,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 14:50:17,325 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 14:50:17,325 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 14:50:17,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 14:50:17,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 14:50:17,326 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 14:50:17,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 14:50:17,326 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 14:50:17,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 14:50:17,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 14:50:17,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 14:50:17,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 14:50:17,557 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 14:50:17,558 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 14:50:17,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2023-05-04 14:50:17,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63aa18b80/8f0c3348e2f04ac19def0094e8f5e1d2/FLAGbcf49f90d [2023-05-04 14:50:18,022 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 14:50:18,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2023-05-04 14:50:18,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63aa18b80/8f0c3348e2f04ac19def0094e8f5e1d2/FLAGbcf49f90d [2023-05-04 14:50:18,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63aa18b80/8f0c3348e2f04ac19def0094e8f5e1d2 [2023-05-04 14:50:18,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 14:50:18,045 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 14:50:18,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 14:50:18,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 14:50:18,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 14:50:18,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 02:50:18" (1/1) ... [2023-05-04 14:50:18,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e63e66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18, skipping insertion in model container [2023-05-04 14:50:18,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 02:50:18" (1/1) ... [2023-05-04 14:50:18,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 14:50:18,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 14:50:18,246 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/chl-array-int-trans.wvr.c[2728,2741] [2023-05-04 14:50:18,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 14:50:18,263 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 14:50:18,298 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/chl-array-int-trans.wvr.c[2728,2741] [2023-05-04 14:50:18,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 14:50:18,314 INFO L208 MainTranslator]: Completed translation [2023-05-04 14:50:18,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18 WrapperNode [2023-05-04 14:50:18,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 14:50:18,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 14:50:18,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 14:50:18,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 14:50:18,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18" (1/1) ... [2023-05-04 14:50:18,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18" (1/1) ... [2023-05-04 14:50:18,356 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 13, calls inlined = 21, statements flattened = 277 [2023-05-04 14:50:18,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 14:50:18,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 14:50:18,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 14:50:18,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 14:50:18,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18" (1/1) ... [2023-05-04 14:50:18,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18" (1/1) ... [2023-05-04 14:50:18,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18" (1/1) ... [2023-05-04 14:50:18,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18" (1/1) ... [2023-05-04 14:50:18,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18" (1/1) ... [2023-05-04 14:50:18,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18" (1/1) ... [2023-05-04 14:50:18,384 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18" (1/1) ... [2023-05-04 14:50:18,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18" (1/1) ... [2023-05-04 14:50:18,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 14:50:18,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 14:50:18,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 14:50:18,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 14:50:18,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18" (1/1) ... [2023-05-04 14:50:18,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 14:50:18,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:50:18,436 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 14:50:18,438 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 14:50:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 14:50:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 14:50:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 14:50:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 14:50:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 14:50:18,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 14:50:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 14:50:18,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 14:50:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 14:50:18,469 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 14:50:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 14:50:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 14:50:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 14:50:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 14:50:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 14:50:18,471 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 14:50:18,631 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 14:50:18,633 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 14:50:19,078 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 14:50:19,095 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 14:50:19,095 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2023-05-04 14:50:19,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:50:19 BoogieIcfgContainer [2023-05-04 14:50:19,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 14:50:19,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 14:50:19,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 14:50:19,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 14:50:19,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 02:50:18" (1/3) ... [2023-05-04 14:50:19,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2438a415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:50:19, skipping insertion in model container [2023-05-04 14:50:19,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:50:18" (2/3) ... [2023-05-04 14:50:19,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2438a415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:50:19, skipping insertion in model container [2023-05-04 14:50:19,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:50:19" (3/3) ... [2023-05-04 14:50:19,106 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-trans.wvr.c [2023-05-04 14:50:19,113 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 14:50:19,121 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 14:50:19,121 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 14:50:19,121 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 14:50:19,234 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 14:50:19,291 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 14:50:19,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 14:50:19,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:50:19,294 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 14:50:19,313 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 14:50:19,329 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 14:50:19,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 14:50:19,359 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;@61adf90f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 14:50:19,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 14:50:19,565 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 14:50:19,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:19,569 INFO L85 PathProgramCache]: Analyzing trace with hash 64327177, now seen corresponding path program 1 times [2023-05-04 14:50:19,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:19,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069146702] [2023-05-04 14:50:19,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:19,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-04 14:50:19,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:19,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069146702] [2023-05-04 14:50:19,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069146702] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 14:50:19,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 14:50:19,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 14:50:19,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102163702] [2023-05-04 14:50:19,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:50:19,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 14:50:19,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:19,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 14:50:19,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 14:50:19,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:19,976 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:19,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 86.0) internal successors, (172), 2 states have internal predecessors, (172), 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 14:50:19,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:20,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:20,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 14:50:20,058 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 14:50:20,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:20,059 INFO L85 PathProgramCache]: Analyzing trace with hash 789135285, now seen corresponding path program 1 times [2023-05-04 14:50:20,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:20,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548489826] [2023-05-04 14:50:20,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:20,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 14:50:20,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:20,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548489826] [2023-05-04 14:50:20,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548489826] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 14:50:20,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 14:50:20,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 14:50:20,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985471610] [2023-05-04 14:50:20,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:50:20,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 14:50:20,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:20,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 14:50:20,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-04 14:50:20,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:20,598 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:20,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 14:50:20,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:20,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:20,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:20,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:20,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 14:50:20,790 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 14:50:20,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:20,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1670227829, now seen corresponding path program 1 times [2023-05-04 14:50:20,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:20,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533863225] [2023-05-04 14:50:20,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:20,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 14:50:21,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:21,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533863225] [2023-05-04 14:50:21,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533863225] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 14:50:21,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 14:50:21,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 14:50:21,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435135803] [2023-05-04 14:50:21,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:50:21,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 14:50:21,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:21,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 14:50:21,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-04 14:50:21,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:21,134 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:21,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 14:50:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:21,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:21,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 14:50:21,255 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 14:50:21,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:21,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1649170678, now seen corresponding path program 1 times [2023-05-04 14:50:21,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:21,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139524436] [2023-05-04 14:50:21,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:21,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:21,618 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 14:50:21,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:21,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139524436] [2023-05-04 14:50:21,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139524436] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:21,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82786377] [2023-05-04 14:50:21,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:21,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:50:21,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:50:21,629 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 14:50:21,659 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 14:50:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:21,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 14:50:21,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:50:22,262 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 14:50:22,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:50:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 14:50:22,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82786377] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 14:50:22,654 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 14:50:22,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2023-05-04 14:50:22,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756979375] [2023-05-04 14:50:22,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 14:50:22,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-04 14:50:22,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:22,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-04 14:50:22,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2023-05-04 14:50:22,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:22,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:22,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.964285714285714) internal successors, (363), 28 states have internal predecessors, (363), 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 14:50:22,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:22,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:22,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:22,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:23,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:23,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:23,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:23,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:23,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 14:50:23,546 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 14:50:23,547 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 14:50:23,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:23,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1710369259, now seen corresponding path program 2 times [2023-05-04 14:50:23,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:23,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324045865] [2023-05-04 14:50:23,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:23,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:24,088 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-05-04 14:50:24,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:24,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324045865] [2023-05-04 14:50:24,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324045865] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:24,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639036781] [2023-05-04 14:50:24,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 14:50:24,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:50:24,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:50:24,092 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 14:50:24,119 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 14:50:24,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-04 14:50:24,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 14:50:24,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 17 conjunts are in the unsatisfiable core [2023-05-04 14:50:24,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:50:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-04 14:50:24,697 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 14:50:24,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639036781] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 14:50:24,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 14:50:24,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15] total 22 [2023-05-04 14:50:24,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112583662] [2023-05-04 14:50:24,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:50:24,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-04 14:50:24,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:24,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-04 14:50:24,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2023-05-04 14:50:24,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:24,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:24,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.285714285714286) internal successors, (186), 14 states have internal predecessors, (186), 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 14:50:24,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:24,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:24,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:24,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:24,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:24,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:24,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:24,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:24,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:24,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:24,980 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 14:50:25,153 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 14:50:25,154 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 14:50:25,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:25,154 INFO L85 PathProgramCache]: Analyzing trace with hash 680378749, now seen corresponding path program 1 times [2023-05-04 14:50:25,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:25,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241922345] [2023-05-04 14:50:25,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:25,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-05-04 14:50:25,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:25,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241922345] [2023-05-04 14:50:25,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241922345] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:25,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651620866] [2023-05-04 14:50:25,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:25,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:50:25,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:50:25,594 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 14:50:25,652 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 14:50:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:25,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 14:50:25,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:50:26,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-04 14:50:26,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:50:26,825 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-04 14:50:26,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651620866] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:26,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 14:50:26,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14, 13] total 32 [2023-05-04 14:50:26,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647442686] [2023-05-04 14:50:26,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:50:26,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 14:50:26,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:26,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 14:50:26,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=816, Unknown=0, NotChecked=0, Total=992 [2023-05-04 14:50:26,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:26,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:26,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.923076923076923) internal successors, (207), 13 states have internal predecessors, (207), 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 14:50:26,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:26,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:26,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:26,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:26,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:26,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:27,353 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 14:50:27,542 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 14:50:27,542 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 14:50:27,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:27,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1458807253, now seen corresponding path program 1 times [2023-05-04 14:50:27,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:27,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033457847] [2023-05-04 14:50:27,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:27,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:28,090 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 45 proven. 34 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 14:50:28,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:28,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033457847] [2023-05-04 14:50:28,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033457847] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:28,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527920842] [2023-05-04 14:50:28,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:28,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:50:28,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:50:28,093 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 14:50:28,111 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 14:50:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:28,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 14:50:28,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:50:28,794 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 55 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 14:50:28,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:50:29,251 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 55 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 14:50:29,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527920842] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 14:50:29,251 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 14:50:29,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 15] total 44 [2023-05-04 14:50:29,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314744905] [2023-05-04 14:50:29,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 14:50:29,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-04 14:50:29,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:29,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-04 14:50:29,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=1697, Unknown=0, NotChecked=0, Total=1892 [2023-05-04 14:50:29,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:29,254 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:29,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 12.340909090909092) internal successors, (543), 44 states have internal predecessors, (543), 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 14:50:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:29,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:29,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:30,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:30,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:30,264 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 14:50:30,458 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 14:50:30,458 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 14:50:30,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:30,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1002336832, now seen corresponding path program 2 times [2023-05-04 14:50:30,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:30,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153776182] [2023-05-04 14:50:30,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:30,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:31,062 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 45 proven. 49 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 14:50:31,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:31,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153776182] [2023-05-04 14:50:31,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153776182] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:31,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698611351] [2023-05-04 14:50:31,063 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 14:50:31,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:50:31,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:50:31,069 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 14:50:31,086 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 14:50:31,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 14:50:31,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 14:50:31,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-04 14:50:31,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:50:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 70 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 14:50:31,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:50:32,423 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 70 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-04 14:50:32,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698611351] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 14:50:32,423 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 14:50:32,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 51 [2023-05-04 14:50:32,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420864053] [2023-05-04 14:50:32,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 14:50:32,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-05-04 14:50:32,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:32,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-05-04 14:50:32,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=430, Invalid=2120, Unknown=0, NotChecked=0, Total=2550 [2023-05-04 14:50:32,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:32,426 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:32,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 10.666666666666666) internal successors, (544), 51 states have internal predecessors, (544), 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 14:50:32,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:32,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:32,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:32,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:32,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:32,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:32,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:32,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:32,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:32,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:32,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:32,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:32,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:32,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:32,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:50:32,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-04 14:50:33,149 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 14:50:33,150 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 14:50:33,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:33,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1087654368, now seen corresponding path program 3 times [2023-05-04 14:50:33,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:33,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113595725] [2023-05-04 14:50:33,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:33,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:33,763 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 45 proven. 49 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-05-04 14:50:33,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:33,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113595725] [2023-05-04 14:50:33,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113595725] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:33,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259640259] [2023-05-04 14:50:33,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 14:50:33,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:50:33,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:50:33,765 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 14:50:33,783 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 14:50:33,927 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-04 14:50:33,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 14:50:33,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 14:50:33,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:50:34,237 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-05-04 14:50:34,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:50:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-05-04 14:50:34,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259640259] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:34,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 14:50:34,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [21, 9] total 32 [2023-05-04 14:50:34,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336768496] [2023-05-04 14:50:34,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:50:34,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-04 14:50:34,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:34,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-04 14:50:34,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=890, Unknown=0, NotChecked=0, Total=992 [2023-05-04 14:50:34,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:34,573 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:34,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.555555555555557) internal successors, (257), 9 states have internal predecessors, (257), 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 14:50:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:50:34,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:50:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:50:34,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 14:50:34,929 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 14:50:34,929 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 14:50:34,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:34,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1043680013, now seen corresponding path program 1 times [2023-05-04 14:50:34,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:34,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766849177] [2023-05-04 14:50:34,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:34,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 14:50:35,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:35,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766849177] [2023-05-04 14:50:35,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766849177] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:35,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958166224] [2023-05-04 14:50:35,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:35,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:50:35,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:50:35,345 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 14:50:35,369 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 14:50:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:35,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 14:50:35,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:50:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 14:50:35,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:50:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 14:50:36,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958166224] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:36,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 14:50:36,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [16, 15] total 35 [2023-05-04 14:50:36,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058061881] [2023-05-04 14:50:36,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:50:36,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-04 14:50:36,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:36,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-04 14:50:36,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=948, Unknown=0, NotChecked=0, Total=1190 [2023-05-04 14:50:36,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:36,573 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:36,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.4) internal successors, (231), 15 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 14:50:36,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:36,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:36,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:36,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:36,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:36,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:36,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:36,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:50:36,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:50:36,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:37,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:37,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:37,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:50:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:50:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:50:37,181 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 14:50:37,373 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 14:50:37,373 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 14:50:37,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:37,374 INFO L85 PathProgramCache]: Analyzing trace with hash -2112127493, now seen corresponding path program 1 times [2023-05-04 14:50:37,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:37,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83388062] [2023-05-04 14:50:37,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:37,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:37,685 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-05-04 14:50:37,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:37,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83388062] [2023-05-04 14:50:37,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83388062] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:37,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801254906] [2023-05-04 14:50:37,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:37,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:50:37,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:50:37,687 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 14:50:37,714 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 14:50:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:37,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 14:50:37,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:50:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-05-04 14:50:38,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:50:38,549 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-05-04 14:50:38,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801254906] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 14:50:38,550 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 14:50:38,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-04 14:50:38,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975659140] [2023-05-04 14:50:38,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 14:50:38,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-04 14:50:38,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:38,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-04 14:50:38,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-05-04 14:50:38,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:38,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:38,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 14.916666666666666) internal successors, (358), 24 states have internal predecessors, (358), 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 14:50:38,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:38,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:38,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:38,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:38,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:38,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:38,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:38,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:50:38,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:50:38,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:50:38,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:38,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:50:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:50:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:50:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:38,872 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 14:50:39,049 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 14:50:39,049 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 14:50:39,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:39,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1095208093, now seen corresponding path program 2 times [2023-05-04 14:50:39,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:39,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327640854] [2023-05-04 14:50:39,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:39,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:39,498 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 22 proven. 26 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-05-04 14:50:39,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:39,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327640854] [2023-05-04 14:50:39,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327640854] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:39,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841215473] [2023-05-04 14:50:39,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 14:50:39,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:50:39,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:50:39,501 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 14:50:39,502 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 14:50:39,684 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 14:50:39,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 14:50:39,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-04 14:50:39,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:50:39,926 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-05-04 14:50:39,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:50:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-05-04 14:50:40,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841215473] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:40,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 14:50:40,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17, 9] total 28 [2023-05-04 14:50:40,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789048842] [2023-05-04 14:50:40,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:50:40,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-04 14:50:40,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:40,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-04 14:50:40,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=669, Unknown=0, NotChecked=0, Total=756 [2023-05-04 14:50:40,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:40,174 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:40,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.555555555555557) internal successors, (257), 9 states have internal predecessors, (257), 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 14:50:40,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:40,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:40,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:40,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:40,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:40,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:40,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:40,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:50:40,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:50:40,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:50:40,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:40,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:50:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:50:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:50:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 14:50:40,425 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 14:50:40,627 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 14:50:40,628 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 14:50:40,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:40,628 INFO L85 PathProgramCache]: Analyzing trace with hash -707452289, now seen corresponding path program 1 times [2023-05-04 14:50:40,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:40,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643256356] [2023-05-04 14:50:40,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:40,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-05-04 14:50:44,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:44,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643256356] [2023-05-04 14:50:44,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643256356] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 14:50:44,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 14:50:44,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2023-05-04 14:50:44,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019593911] [2023-05-04 14:50:44,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 14:50:44,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-04 14:50:44,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:44,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-04 14:50:44,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=2143, Unknown=0, NotChecked=0, Total=2256 [2023-05-04 14:50:44,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:44,252 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:44,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.895833333333333) internal successors, (283), 48 states have internal predecessors, (283), 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 14:50:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:44,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:50:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:50:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:50:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 14:50:44,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:50:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:50:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:50:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 14:50:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-05-04 14:50:53,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-05-04 14:50:53,075 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 14:50:53,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:53,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1404236155, now seen corresponding path program 1 times [2023-05-04 14:50:53,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:53,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146707996] [2023-05-04 14:50:53,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:53,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:53,814 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 14:50:53,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:50:53,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146707996] [2023-05-04 14:50:53,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146707996] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:50:53,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125663305] [2023-05-04 14:50:53,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:53,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:50:53,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:50:53,817 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 14:50:53,836 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 14:50:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:50:53,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 14:50:53,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:50:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 47 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 14:50:54,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:50:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 14:50:55,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125663305] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 14:50:55,794 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 14:50:55,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 58 [2023-05-04 14:50:55,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037829270] [2023-05-04 14:50:55,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 14:50:55,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-05-04 14:50:55,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:50:55,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-05-04 14:50:55,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=576, Invalid=2730, Unknown=0, NotChecked=0, Total=3306 [2023-05-04 14:50:55,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:55,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:50:55,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 9.39655172413793) internal successors, (545), 58 states have internal predecessors, (545), 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 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2023-05-04 14:50:55,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:50:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:50:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:50:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:50:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:50:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:50:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:50:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:50:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:50:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:50:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 14:50:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-05-04 14:50:57,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 14:50:57,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-05-04 14:50:57,316 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,SelfDestructingSolverStorable13 [2023-05-04 14:50:57,317 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 14:50:57,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:50:57,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1175936426, now seen corresponding path program 1 times [2023-05-04 14:50:57,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:50:57,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749149223] [2023-05-04 14:50:57,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:50:57,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:50:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:51:00,523 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-05-04 14:51:00,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:51:00,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749149223] [2023-05-04 14:51:00,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749149223] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:51:00,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079217373] [2023-05-04 14:51:00,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:51:00,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:51:00,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:51:00,525 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 14:51:00,526 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 14:51:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:51:00,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 78 conjunts are in the unsatisfiable core [2023-05-04 14:51:00,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:51:00,725 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 14:51:00,830 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-05-04 14:51:00,831 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-05-04 14:51:02,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:51:02,021 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 14:51:02,022 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 21 treesize of output 26 [2023-05-04 14:51:02,821 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 14:51:02,822 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 55 [2023-05-04 14:51:03,397 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-05-04 14:51:03,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:51:05,589 INFO L356 Elim1Store]: treesize reduction 8, result has 96.2 percent of original size [2023-05-04 14:51:05,590 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 192 treesize of output 332 [2023-05-04 14:51:05,637 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 14:51:05,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 123 treesize of output 153 [2023-05-04 14:52:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-05-04 14:52:49,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079217373] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 14:52:49,353 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 14:52:49,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 38, 38] total 107 [2023-05-04 14:52:49,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247266948] [2023-05-04 14:52:49,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 14:52:49,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2023-05-04 14:52:49,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:52:49,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2023-05-04 14:52:49,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=10981, Unknown=2, NotChecked=0, Total=11342 [2023-05-04 14:52:49,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:52:49,358 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:52:49,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 6.91588785046729) internal successors, (740), 107 states have internal predecessors, (740), 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 14:52:49,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:52:49,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:52:49,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:52:49,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:52:49,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:52:49,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:52:49,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:52:49,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:52:49,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:52:49,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:52:49,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:52:49,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 14:52:49,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2023-05-04 14:52:49,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 14:52:49,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:53:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:53:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:53:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:53:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:53:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:53:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:53:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:53:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:53:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:53:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:53:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:53:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 14:53:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2023-05-04 14:53:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 14:53:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-04 14:53:22,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-05-04 14:53:22,607 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,SelfDestructingSolverStorable14 [2023-05-04 14:53:22,608 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 14:53:22,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:53:22,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1021302951, now seen corresponding path program 1 times [2023-05-04 14:53:22,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:53:22,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342644025] [2023-05-04 14:53:22,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:53:22,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:53:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:53:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 29 proven. 71 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 14:53:23,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:53:23,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342644025] [2023-05-04 14:53:23,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342644025] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:53:23,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639562623] [2023-05-04 14:53:23,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:53:23,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:53:23,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:53:23,429 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 14:53:23,431 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 14:53:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:53:23,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 28 conjunts are in the unsatisfiable core [2023-05-04 14:53:23,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:53:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 46 proven. 53 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 14:53:24,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:53:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 75 proven. 24 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-04 14:53:25,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639562623] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 14:53:25,572 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 14:53:25,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 27, 27] total 73 [2023-05-04 14:53:25,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399836399] [2023-05-04 14:53:25,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 14:53:25,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-05-04 14:53:25,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:53:25,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-05-04 14:53:25,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=4760, Unknown=0, NotChecked=0, Total=5256 [2023-05-04 14:53:25,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:53:25,575 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:53:25,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 10.41095890410959) internal successors, (760), 73 states have internal predecessors, (760), 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 14:53:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:53:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:53:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:53:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:53:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:53:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:53:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:53:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:53:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:53:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:53:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:53:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 14:53:25,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2023-05-04 14:53:25,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 14:53:25,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-04 14:53:25,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:53:34,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-04 14:53:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2023-05-04 14:53:34,713 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 14:53:34,901 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,SelfDestructingSolverStorable15 [2023-05-04 14:53:34,902 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 14:53:34,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:53:34,902 INFO L85 PathProgramCache]: Analyzing trace with hash 2012177932, now seen corresponding path program 1 times [2023-05-04 14:53:34,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:53:34,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551875206] [2023-05-04 14:53:34,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:53:34,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:53:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:53:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-05-04 14:53:38,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:53:38,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551875206] [2023-05-04 14:53:38,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551875206] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:53:38,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799866442] [2023-05-04 14:53:38,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:53:38,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:53:38,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:53:38,073 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 14:53:38,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-04 14:53:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:53:38,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 77 conjunts are in the unsatisfiable core [2023-05-04 14:53:38,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:53:39,822 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 14:53:40,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:53:40,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:53:40,480 INFO L356 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2023-05-04 14:53:40,480 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 35 treesize of output 45 [2023-05-04 14:53:40,489 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 11 treesize of output 7 [2023-05-04 14:53:41,289 INFO L356 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-05-04 14:53:41,290 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 41 treesize of output 26 [2023-05-04 14:53:42,392 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-05-04 14:53:42,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:53:47,048 INFO L356 Elim1Store]: treesize reduction 19, result has 84.8 percent of original size [2023-05-04 14:53:47,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1301 treesize of output 1230 [2023-05-04 14:53:47,092 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 14:53:47,093 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 1003 treesize of output 883 [2023-05-04 14:53:47,171 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 14:53:47,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 997 treesize of output 1001 [2023-05-04 14:55:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-05-04 14:55:30,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799866442] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 14:55:30,266 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 14:55:30,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 43, 42] total 123 [2023-05-04 14:55:30,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137154637] [2023-05-04 14:55:30,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 14:55:30,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2023-05-04 14:55:30,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:55:30,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2023-05-04 14:55:30,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=459, Invalid=14543, Unknown=4, NotChecked=0, Total=15006 [2023-05-04 14:55:30,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:55:30,270 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:55:30,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 6.67479674796748) internal successors, (821), 123 states have internal predecessors, (821), 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 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2023-05-04 14:55:30,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:55:54,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:55:54,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 14:55:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-05-04 14:55:54,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-04 14:55:54,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:55:54,930 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 14:55:54,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:55:54,930 INFO L85 PathProgramCache]: Analyzing trace with hash 96889863, now seen corresponding path program 1 times [2023-05-04 14:55:54,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:55:54,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007849100] [2023-05-04 14:55:54,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:55:54,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:55:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:55:57,882 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-05-04 14:55:57,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:55:57,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007849100] [2023-05-04 14:55:57,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007849100] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:55:57,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864097136] [2023-05-04 14:55:57,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:55:57,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:55:57,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:55:57,884 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 14:55:57,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-04 14:55:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:55:58,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 77 conjunts are in the unsatisfiable core [2023-05-04 14:55:58,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:55:58,122 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 14:55:58,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:55:58,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-04 14:56:00,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:56:00,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:56:00,519 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 14:56:00,519 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 21 treesize of output 26 [2023-05-04 14:56:00,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:56:00,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:56:00,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:56:00,992 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-05-04 14:56:00,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 39 [2023-05-04 14:56:01,377 INFO L356 Elim1Store]: treesize reduction 18, result has 51.4 percent of original size [2023-05-04 14:56:01,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2023-05-04 14:56:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-05-04 14:56:01,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:56:02,359 INFO L356 Elim1Store]: treesize reduction 15, result has 88.0 percent of original size [2023-05-04 14:56:02,359 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 688 treesize of output 701 [2023-05-04 14:56:02,379 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 14:56:02,379 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 534 treesize of output 479 [2023-05-04 14:56:02,400 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 14:56:02,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 525 treesize of output 509 [2023-05-04 14:56:07,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 14:56:07,238 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-05-04 14:56:07,298 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-05-04 14:56:07,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864097136] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 14:56:07,298 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 14:56:07,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 32, 32] total 102 [2023-05-04 14:56:07,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321459427] [2023-05-04 14:56:07,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 14:56:07,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2023-05-04 14:56:07,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 14:56:07,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2023-05-04 14:56:07,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=9933, Unknown=24, NotChecked=0, Total=10302 [2023-05-04 14:56:07,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:56:07,303 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 14:56:07,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 7.303921568627451) internal successors, (745), 102 states have internal predecessors, (745), 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 14:56:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:56:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:56:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:56:07,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2023-05-04 14:56:07,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:56:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 14:56:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 14:56:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 14:56:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 14:56:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 14:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 14:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-04 14:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 14:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-04 14:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 14:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 14:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2023-05-04 14:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-04 14:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-04 14:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2023-05-04 14:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-05-04 14:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-05-04 14:56:36,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-04 14:56:36,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-04 14:56:36,391 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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 14:56:36,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 14:56:36,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1764978226, now seen corresponding path program 2 times [2023-05-04 14:56:36,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 14:56:36,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364114538] [2023-05-04 14:56:36,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 14:56:36,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 14:56:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 14:56:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-05-04 14:56:41,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 14:56:41,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364114538] [2023-05-04 14:56:41,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364114538] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 14:56:41,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851059442] [2023-05-04 14:56:41,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 14:56:41,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 14:56:41,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 14:56:41,369 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 14:56:41,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-04 14:56:41,629 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 14:56:41,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 14:56:41,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 87 conjunts are in the unsatisfiable core [2023-05-04 14:56:41,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 14:56:44,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:56:44,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:56:44,169 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 14:56:44,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 29 treesize of output 34 [2023-05-04 14:56:45,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:56:45,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:56:45,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 14:56:45,753 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-05-04 14:56:45,754 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 46 [2023-05-04 14:56:47,013 INFO L356 Elim1Store]: treesize reduction 6, result has 83.8 percent of original size [2023-05-04 14:56:47,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 53 [2023-05-04 14:56:47,899 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-05-04 14:56:47,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 14:56:51,729 INFO L356 Elim1Store]: treesize reduction 19, result has 84.8 percent of original size [2023-05-04 14:56:51,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1320 treesize of output 1233 [2023-05-04 14:56:51,777 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 14:56:51,778 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 1003 treesize of output 883 [2023-05-04 14:56:51,863 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 14:56:51,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 997 treesize of output 1001 Received shutdown request... [2023-05-04 15:03:18,346 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 15:03:18,346 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 15:03:18,354 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 15:03:18,356 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 15:03:18,358 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 15:03:18,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-04 15:03:18,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 15:03:18,559 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 363 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 35ms.. [2023-05-04 15:03:18,560 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 15:03:18,561 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 15:03:18,561 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 15:03:18,564 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-05-04 15:03:18,566 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 15:03:18,566 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 15:03:18,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 03:03:18 BasicIcfg [2023-05-04 15:03:18,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 15:03:18,568 INFO L158 Benchmark]: Toolchain (without parser) took 780523.04ms. Allocated memory was 188.7MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 133.5MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 5.2GB. Max. memory is 8.0GB. [2023-05-04 15:03:18,568 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 150.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 15:03:18,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.69ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 133.2MB in the beginning and 200.6MB in the end (delta: -67.4MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. [2023-05-04 15:03:18,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.95ms. Allocated memory is still 226.5MB. Free memory was 200.6MB in the beginning and 198.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 15:03:18,569 INFO L158 Benchmark]: Boogie Preprocessor took 47.47ms. Allocated memory is still 226.5MB. Free memory was 198.0MB in the beginning and 195.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 15:03:18,569 INFO L158 Benchmark]: RCFGBuilder took 687.76ms. Allocated memory is still 226.5MB. Free memory was 195.9MB in the beginning and 170.2MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-05-04 15:03:18,569 INFO L158 Benchmark]: TraceAbstraction took 779467.14ms. Allocated memory was 226.5MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 168.7MB in the beginning and 2.4GB in the end (delta: -2.2GB). Peak memory consumption was 5.2GB. Max. memory is 8.0GB. [2023-05-04 15:03:18,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 150.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 268.69ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 133.2MB in the beginning and 200.6MB in the end (delta: -67.4MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.95ms. Allocated memory is still 226.5MB. Free memory was 200.6MB in the beginning and 198.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.47ms. Allocated memory is still 226.5MB. Free memory was 198.0MB in the beginning and 195.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 687.76ms. Allocated memory is still 226.5MB. Free memory was 195.9MB in the beginning and 170.2MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 779467.14ms. Allocated memory was 226.5MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 168.7MB in the beginning and 2.4GB in the end (delta: -2.2GB). Peak memory consumption was 5.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2942151, independent: 2902936, independent conditional: 2881393, independent unconditional: 21543, dependent: 39215, dependent conditional: 39188, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2903003, independent: 2902936, independent conditional: 2881393, independent unconditional: 21543, dependent: 67, dependent conditional: 40, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2903003, independent: 2902936, independent conditional: 2881393, independent unconditional: 21543, dependent: 67, dependent conditional: 40, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2903374, independent: 2902936, independent conditional: 23, independent unconditional: 2902913, dependent: 438, dependent conditional: 348, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2903374, independent: 2902936, independent conditional: 23, independent unconditional: 2902913, dependent: 438, dependent conditional: 101, dependent unconditional: 337, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2903374, independent: 2902936, independent conditional: 23, independent unconditional: 2902913, dependent: 438, dependent conditional: 101, dependent unconditional: 337, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19715, independent: 19666, independent conditional: 9, independent unconditional: 19657, dependent: 49, dependent conditional: 22, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19715, independent: 19655, independent conditional: 0, independent unconditional: 19655, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 60, independent: 11, independent conditional: 9, independent unconditional: 2, dependent: 49, dependent conditional: 22, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, independent: 11, independent conditional: 9, independent unconditional: 2, dependent: 49, dependent conditional: 22, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, independent: 73, independent conditional: 26, independent unconditional: 48, dependent: 101, dependent conditional: 47, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2903374, independent: 2883270, independent conditional: 14, independent unconditional: 2883256, dependent: 389, dependent conditional: 79, dependent unconditional: 310, unknown: 19715, unknown conditional: 31, unknown unconditional: 19684] , Statistics on independence cache: Total cache size (in pairs): 19715, Positive cache size: 19666, Positive conditional cache size: 9, Positive unconditional cache size: 19657, Negative cache size: 49, Negative conditional cache size: 22, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 247, Maximal queried relation: 13, Independence queries for same thread: 39148 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 3.1s, Number of persistent set computation: 134627, Number of trivial persistent sets: 122265, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21570, independent: 21543, independent conditional: 0, independent unconditional: 21543, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2942151, independent: 2902936, independent conditional: 2881393, independent unconditional: 21543, dependent: 39215, dependent conditional: 39188, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2903003, independent: 2902936, independent conditional: 2881393, independent unconditional: 21543, dependent: 67, dependent conditional: 40, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2903003, independent: 2902936, independent conditional: 2881393, independent unconditional: 21543, dependent: 67, dependent conditional: 40, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2903374, independent: 2902936, independent conditional: 23, independent unconditional: 2902913, dependent: 438, dependent conditional: 348, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2903374, independent: 2902936, independent conditional: 23, independent unconditional: 2902913, dependent: 438, dependent conditional: 101, dependent unconditional: 337, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2903374, independent: 2902936, independent conditional: 23, independent unconditional: 2902913, dependent: 438, dependent conditional: 101, dependent unconditional: 337, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19715, independent: 19666, independent conditional: 9, independent unconditional: 19657, dependent: 49, dependent conditional: 22, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19715, independent: 19655, independent conditional: 0, independent unconditional: 19655, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 60, independent: 11, independent conditional: 9, independent unconditional: 2, dependent: 49, dependent conditional: 22, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, independent: 11, independent conditional: 9, independent unconditional: 2, dependent: 49, dependent conditional: 22, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 175, independent: 73, independent conditional: 26, independent unconditional: 48, dependent: 101, dependent conditional: 47, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2903374, independent: 2883270, independent conditional: 14, independent unconditional: 2883256, dependent: 389, dependent conditional: 79, dependent unconditional: 310, unknown: 19715, unknown conditional: 31, unknown unconditional: 19684] , Statistics on independence cache: Total cache size (in pairs): 19715, Positive cache size: 19666, Positive conditional cache size: 9, Positive unconditional cache size: 19657, Negative cache size: 49, Negative conditional cache size: 22, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 247, Maximal queried relation: 13, Independence queries for same thread: 39148 - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 363 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 35ms.. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 363 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 35ms.. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 363 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 35ms.. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 363 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 35ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 464 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 779.3s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 110.4s, 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: 706, 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: 0.6s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 259.7s InterpolantComputationTime, 9194 NumberOfCodeBlocks, 9026 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 13096 ConstructedInterpolants, 165 QuantifiedInterpolants, 85292 SizeOfPredicates, 312 NumberOfNonLiveVariables, 8273 ConjunctsInSsa, 395 ConjunctsInUnsatCore, 45 InterpolantComputations, 9 PerfectInterpolantSequences, 4233/4817 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown