/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 07:15:06,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 07:15:06,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 07:15:06,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 07:15:06,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 07:15:06,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 07:15:06,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 07:15:06,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 07:15:06,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 07:15:06,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 07:15:06,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 07:15:06,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 07:15:06,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 07:15:06,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 07:15:06,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 07:15:06,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 07:15:06,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 07:15:06,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 07:15:06,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 07:15:06,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 07:15:06,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 07:15:06,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 07:15:06,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 07:15:06,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 07:15:06,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 07:15:06,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 07:15:06,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 07:15:06,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 07:15:06,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 07:15:06,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 07:15:06,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 07:15:06,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 07:15:06,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 07:15:06,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 07:15:06,272 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 07:15:06,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 07:15:06,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 07:15:06,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 07:15:06,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 07:15:06,273 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 07:15:06,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 07:15:06,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 07:15:06,274 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 07:15:06,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 07:15:06,275 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 07:15:06,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 07:15:06,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 07:15:06,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 07:15:06,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 07:15:06,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 07:15:06,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 07:15:06,275 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 07:15:06,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 07:15:06,275 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 07:15:06,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 07:15:06,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 07:15:06,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 07:15:06,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 07:15:06,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 07:15:06,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 07:15:06,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 07:15:06,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 07:15:06,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 07:15:06,276 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 07:15:06,276 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 07:15:06,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 07:15:06,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 07:15:06,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 07:15:06,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 07:15:06,277 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 07:15:06,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 07:15:06,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 07:15:06,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 07:15:06,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 07:15:06,492 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 07:15:06,493 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 07:15:06,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2023-05-04 07:15:06,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/374597dbf/7586d441f1454cab88f65ef66c83ba62/FLAG23d9fe7d6 [2023-05-04 07:15:06,906 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 07:15:06,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2023-05-04 07:15:06,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/374597dbf/7586d441f1454cab88f65ef66c83ba62/FLAG23d9fe7d6 [2023-05-04 07:15:06,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/374597dbf/7586d441f1454cab88f65ef66c83ba62 [2023-05-04 07:15:06,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 07:15:06,929 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 07:15:06,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 07:15:06,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 07:15:06,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 07:15:06,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:15:06" (1/1) ... [2023-05-04 07:15:06,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa3e616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:06, skipping insertion in model container [2023-05-04 07:15:06,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:15:06" (1/1) ... [2023-05-04 07:15:06,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 07:15:06,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 07:15:07,136 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/unroll-cond-5.wvr.c[2975,2988] [2023-05-04 07:15:07,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 07:15:07,150 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 07:15:07,179 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/unroll-cond-5.wvr.c[2975,2988] [2023-05-04 07:15:07,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 07:15:07,193 INFO L208 MainTranslator]: Completed translation [2023-05-04 07:15:07,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:07 WrapperNode [2023-05-04 07:15:07,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 07:15:07,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 07:15:07,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 07:15:07,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 07:15:07,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:07" (1/1) ... [2023-05-04 07:15:07,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:07" (1/1) ... [2023-05-04 07:15:07,234 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 204 [2023-05-04 07:15:07,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 07:15:07,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 07:15:07,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 07:15:07,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 07:15:07,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:07" (1/1) ... [2023-05-04 07:15:07,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:07" (1/1) ... [2023-05-04 07:15:07,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:07" (1/1) ... [2023-05-04 07:15:07,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:07" (1/1) ... [2023-05-04 07:15:07,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:07" (1/1) ... [2023-05-04 07:15:07,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:07" (1/1) ... [2023-05-04 07:15:07,266 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:07" (1/1) ... [2023-05-04 07:15:07,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:07" (1/1) ... [2023-05-04 07:15:07,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 07:15:07,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 07:15:07,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 07:15:07,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 07:15:07,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:07" (1/1) ... [2023-05-04 07:15:07,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 07:15:07,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:15:07,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 07:15:07,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 07:15:07,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 07:15:07,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 07:15:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 07:15:07,336 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 07:15:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 07:15:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 07:15:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 07:15:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 07:15:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 07:15:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 07:15:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 07:15:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 07:15:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 07:15:07,338 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 07:15:07,454 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 07:15:07,455 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 07:15:07,700 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 07:15:07,708 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 07:15:07,708 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 07:15:07,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:15:07 BoogieIcfgContainer [2023-05-04 07:15:07,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 07:15:07,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 07:15:07,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 07:15:07,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 07:15:07,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:15:06" (1/3) ... [2023-05-04 07:15:07,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a66274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:15:07, skipping insertion in model container [2023-05-04 07:15:07,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:15:07" (2/3) ... [2023-05-04 07:15:07,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a66274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:15:07, skipping insertion in model container [2023-05-04 07:15:07,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:15:07" (3/3) ... [2023-05-04 07:15:07,717 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2023-05-04 07:15:07,722 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 07:15:07,728 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 07:15:07,728 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 07:15:07,728 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 07:15:07,799 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 07:15:07,828 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:15:07,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 07:15:07,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:15:07,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 07:15:07,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 07:15:07,896 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 07:15:07,910 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 07:15:07,916 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;@1518e699, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 07:15:07,916 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 07:15:08,111 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:15:08,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:15:08,115 INFO L85 PathProgramCache]: Analyzing trace with hash 2102056543, now seen corresponding path program 1 times [2023-05-04 07:15:08,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:15:08,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278816871] [2023-05-04 07:15:08,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:15:08,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:15:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:15:08,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:15:08,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:15:08,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278816871] [2023-05-04 07:15:08,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278816871] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:15:08,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:15:08,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 07:15:08,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655252990] [2023-05-04 07:15:08,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:15:08,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 07:15:08,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:15:08,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 07:15:08,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 07:15:08,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:08,358 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:15:08,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.5) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:15:08,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:08,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:08,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 07:15:08,384 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:15:08,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:15:08,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1988803067, now seen corresponding path program 1 times [2023-05-04 07:15:08,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:15:08,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58775889] [2023-05-04 07:15:08,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:15:08,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:15:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:15:08,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:15:08,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:15:08,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58775889] [2023-05-04 07:15:08,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58775889] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:15:08,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 07:15:08,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 07:15:08,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093385329] [2023-05-04 07:15:08,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:15:08,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 07:15:08,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:15:08,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 07:15:08,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-04 07:15:08,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:08,801 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:15:08,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:15:08,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:08,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:08,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:15:08,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 07:15:08,965 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:15:08,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:15:08,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1754447834, now seen corresponding path program 1 times [2023-05-04 07:15:08,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:15:08,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403497835] [2023-05-04 07:15:08,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:15:08,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:15:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:15:11,876 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 07:15:11,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:15:11,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403497835] [2023-05-04 07:15:11,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403497835] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:15:11,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809954259] [2023-05-04 07:15:11,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:15:11,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:15:11,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:15:11,879 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:15:11,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 07:15:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:15:12,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 07:15:12,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:15:12,463 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-04 07:15:12,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 07:15:12,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809954259] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:15:12,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 07:15:12,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [27] total 33 [2023-05-04 07:15:12,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453981749] [2023-05-04 07:15:12,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:15:12,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 07:15:12,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:15:12,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 07:15:12,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=984, Unknown=0, NotChecked=0, Total=1056 [2023-05-04 07:15:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:12,467 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:15:12,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.875) internal successors, (167), 8 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:15:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:15:12,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:15:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:15:12,657 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 07:15:12,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-04 07:15:12,829 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:15:12,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:15:12,830 INFO L85 PathProgramCache]: Analyzing trace with hash 669682550, now seen corresponding path program 1 times [2023-05-04 07:15:12,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:15:12,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389464248] [2023-05-04 07:15:12,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:15:12,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:15:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:15:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 07:15:15,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:15:15,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389464248] [2023-05-04 07:15:15,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389464248] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:15:15,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360611129] [2023-05-04 07:15:15,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:15:15,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:15:15,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:15:15,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:15:15,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 07:15:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:15:15,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 45 conjunts are in the unsatisfiable core [2023-05-04 07:15:15,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:15:17,781 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 07:15:17,781 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 34 treesize of output 13 [2023-05-04 07:15:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 40 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 07:15:18,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:15:19,090 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 07:15:19,090 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 34 treesize of output 22 [2023-05-04 07:15:20,254 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 46 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-04 07:15:20,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360611129] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:15:20,255 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:15:20,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 24] total 68 [2023-05-04 07:15:20,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073941146] [2023-05-04 07:15:20,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:15:20,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2023-05-04 07:15:20,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:15:20,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2023-05-04 07:15:20,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=4276, Unknown=0, NotChecked=0, Total=4556 [2023-05-04 07:15:20,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:20,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:15:20,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 9.455882352941176) internal successors, (643), 68 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:15:20,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:20,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:15:20,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:15:20,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:30,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:30,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:15:30,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:15:30,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-04 07:15:30,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 07:15:30,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:15:30,567 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:15:30,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:15:30,567 INFO L85 PathProgramCache]: Analyzing trace with hash -503927140, now seen corresponding path program 1 times [2023-05-04 07:15:30,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:15:30,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144586454] [2023-05-04 07:15:30,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:15:30,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:15:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:15:31,470 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 07:15:31,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:15:31,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144586454] [2023-05-04 07:15:31,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144586454] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:15:31,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318621620] [2023-05-04 07:15:31,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:15:31,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:15:31,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:15:31,477 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:15:31,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 07:15:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:15:31,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 48 conjunts are in the unsatisfiable core [2023-05-04 07:15:31,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:15:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 07:15:32,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:15:35,489 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 07:15:35,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318621620] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:15:35,491 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:15:35,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 27] total 71 [2023-05-04 07:15:35,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379358644] [2023-05-04 07:15:35,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:15:35,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-05-04 07:15:35,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:15:35,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-05-04 07:15:35,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=390, Invalid=4580, Unknown=0, NotChecked=0, Total=4970 [2023-05-04 07:15:35,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:35,497 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:15:35,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 6.985915492957746) internal successors, (496), 71 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:15:35,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:15:35,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:15:35,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:15:35,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2023-05-04 07:15:35,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:16:05,516 WARN L233 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 66 DAG size of output: 38 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:16:45,077 WARN L233 SmtUtils]: Spent 14.24s on a formula simplification. DAG size of input: 76 DAG size of output: 40 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:16:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:16:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:16:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:16:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-04 07:16:46,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 07:16:46,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 07:16:46,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:16:46,951 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:16:46,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:16:46,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1477935814, now seen corresponding path program 2 times [2023-05-04 07:16:46,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:16:46,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936036030] [2023-05-04 07:16:46,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:16:46,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:16:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:16:51,693 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 07:16:51,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:16:51,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936036030] [2023-05-04 07:16:51,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936036030] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:16:51,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636739540] [2023-05-04 07:16:51,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 07:16:51,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:16:51,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:16:51,717 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 07:16:51,718 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 07:16:51,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-05-04 07:16:51,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:16:51,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-04 07:16:51,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:16:52,884 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2023-05-04 07:16:52,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 07:16:52,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636739540] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 07:16:52,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 07:16:52,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [47] total 53 [2023-05-04 07:16:52,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198796150] [2023-05-04 07:16:52,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 07:16:52,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-04 07:16:52,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:16:52,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-04 07:16:52,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=2628, Unknown=0, NotChecked=0, Total=2756 [2023-05-04 07:16:52,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:16:52,887 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:16:52,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.333333333333332) internal successors, (174), 9 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:16:52,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:16:52,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:16:52,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:16:52,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-04 07:16:52,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 07:16:52,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:16:53,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:16:53,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:16:53,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:16:53,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-04 07:16:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 07:16:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:16:53,677 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 07:16:53,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:16:53,873 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:16:53,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:16:53,873 INFO L85 PathProgramCache]: Analyzing trace with hash -220854980, now seen corresponding path program 1 times [2023-05-04 07:16:53,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:16:53,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649746272] [2023-05-04 07:16:53,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:16:53,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:16:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:16:58,186 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 07:16:58,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:16:58,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649746272] [2023-05-04 07:16:58,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649746272] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:16:58,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48737514] [2023-05-04 07:16:58,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:16:58,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:16:58,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:16:58,188 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 07:16:58,189 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 07:16:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:16:58,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 90 conjunts are in the unsatisfiable core [2023-05-04 07:16:58,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:17:02,234 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 07:17:02,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:17:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 07:17:55,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48737514] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:17:55,705 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:17:55,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 45, 49] total 136 [2023-05-04 07:17:55,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929726624] [2023-05-04 07:17:55,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:17:55,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2023-05-04 07:17:55,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:17:55,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2023-05-04 07:17:55,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1722, Invalid=16635, Unknown=3, NotChecked=0, Total=18360 [2023-05-04 07:17:55,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:55,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:17:55,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 6.676470588235294) internal successors, (908), 136 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:17:55,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:17:55,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:17:55,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:17:55,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-04 07:17:55,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 07:17:55,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:17:55,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:18:14,953 WARN L233 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 89 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:19:02,666 WARN L233 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 89 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:19:17,741 WARN L233 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 85 DAG size of output: 69 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:19:19,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-04 07:20:04,485 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (< (mod (+ 4294967295 c_~n~0) 4294967296) 1)) (.cse4 (mod (+ c_~n~0 4294967293) 4294967296)) (.cse1 (mod (+ 4294967294 c_~n~0) 4294967296)) (.cse3 (mod (+ 4294967292 c_~n~0) 4294967296))) (and (let ((.cse0 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 17) 4294967296))) (or (not (< .cse0 .cse1)) .cse2 (< .cse0 .cse3) (< .cse0 .cse4))) (let ((.cse5 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 20) 4294967296))) (or .cse2 (not (< .cse5 .cse1)) (< .cse5 .cse3) (< .cse5 .cse4))) (let ((.cse6 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 4) 4294967296))) (or .cse2 (< .cse6 .cse3) (< .cse6 .cse4) (not (< .cse6 .cse1)))) (let ((.cse7 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 9) 4294967296))) (or (< .cse7 .cse3) .cse2 (not (< .cse7 .cse1)) (< .cse7 .cse4))) (let ((.cse8 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 18) 4294967296))) (or (< .cse8 .cse3) .cse2 (< .cse8 .cse4) (not (< .cse8 .cse1)))) (let ((.cse9 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 12) 4294967296))) (or (not (< .cse9 .cse1)) .cse2 (< .cse9 .cse4) (< .cse9 .cse3))) (let ((.cse10 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 16) 4294967296))) (or .cse2 (< .cse10 .cse3) (not (< .cse10 .cse1)) (< .cse10 .cse4))) (let ((.cse11 (mod |c_thread2Thread1of1ForFork0_~i~1#1| 4294967296))) (or .cse2 (< .cse11 .cse4) (not (< .cse11 .cse1)))) (let ((.cse12 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 14) 4294967296))) (or (< .cse12 .cse3) .cse2 (< .cse12 .cse4) (not (< .cse12 .cse1)))) (let ((.cse13 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 2) 4294967296))) (or .cse2 (< .cse13 .cse3) (< .cse13 .cse4) (not (< .cse13 .cse1)))) (let ((.cse14 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296))) (or .cse2 (< .cse14 .cse3) (< .cse14 .cse4) (not (< .cse14 .cse1)))) (let ((.cse15 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 5) 4294967296))) (or .cse2 (< .cse15 .cse4) (not (< .cse15 .cse1)) (< .cse15 .cse3))) (let ((.cse16 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 13) 4294967296))) (or .cse2 (< .cse16 .cse4) (< .cse16 .cse3) (not (< .cse16 .cse1)))) (let ((.cse17 (mod (+ 7 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or (< .cse17 .cse3) .cse2 (not (< .cse17 .cse1)) (< .cse17 .cse4))) (let ((.cse18 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 6) 4294967296))) (or .cse2 (< .cse18 .cse3) (< .cse18 .cse4) (not (< .cse18 .cse1)))) (let ((.cse19 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 3) 4294967296))) (or .cse2 (< .cse19 .cse3) (not (< .cse19 .cse1)) (< .cse19 .cse4))) (let ((.cse20 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 8) 4294967296))) (or .cse2 (not (< .cse20 .cse1)) (< .cse20 .cse3) (< .cse20 .cse4))) (= |c_thread1Thread1of1ForFork1_~i~0#1| 0) (let ((.cse21 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 15) 4294967296))) (or .cse2 (not (< .cse21 .cse1)) (< .cse21 .cse3) (< .cse21 .cse4))) (let ((.cse22 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 11) 4294967296))) (or (< .cse22 .cse3) .cse2 (not (< .cse22 .cse1)) (< .cse22 .cse4))) (let ((.cse23 (mod (+ 19 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296))) (or .cse2 (< .cse23 .cse4) (not (< .cse23 .cse1)) (< .cse23 .cse3))) (not (< 0 (mod c_~n~0 4294967296))))) is different from false [2023-05-04 07:20:26,094 WARN L233 SmtUtils]: Spent 9.22s on a formula simplification. DAG size of input: 82 DAG size of output: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:21:15,937 WARN L233 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 64 DAG size of output: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:21:36,353 WARN L233 SmtUtils]: Spent 7.79s on a formula simplification. DAG size of input: 70 DAG size of output: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:27:50,301 WARN L233 SmtUtils]: Spent 5.56m on a formula simplification that was a NOOP. DAG size: 174 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 07:27:51,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:27:51,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:27:51,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:27:51,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-04 07:27:51,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2023-05-04 07:27:51,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:27:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-04 07:27:51,724 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 07:27:51,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:27:51,907 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 07:27:51,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 07:27:51,907 INFO L85 PathProgramCache]: Analyzing trace with hash -51117988, now seen corresponding path program 2 times [2023-05-04 07:27:51,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 07:27:51,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328843471] [2023-05-04 07:27:51,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 07:27:51,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 07:27:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 07:27:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 921 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 07:27:55,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 07:27:55,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328843471] [2023-05-04 07:27:55,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328843471] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 07:27:55,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514615388] [2023-05-04 07:27:55,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 07:27:55,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:27:55,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 07:27:55,982 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 07:27:55,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 07:27:56,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 07:27:56,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 07:27:56,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 128 conjunts are in the unsatisfiable core [2023-05-04 07:27:56,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 07:28:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 921 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 07:28:01,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 07:28:18,909 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 921 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 07:28:18,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514615388] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 07:28:18,909 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 07:28:18,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 67] total 191 [2023-05-04 07:28:18,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891789801] [2023-05-04 07:28:18,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 07:28:18,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2023-05-04 07:28:18,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 07:28:18,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2023-05-04 07:28:18,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=34460, Unknown=0, NotChecked=0, Total=36290 [2023-05-04 07:28:18,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:28:18,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 07:28:18,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 6.439790575916231) internal successors, (1230), 191 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 07:28:18,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:28:18,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 07:28:18,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 07:28:18,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-04 07:28:18,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2023-05-04 07:28:18,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-04 07:28:18,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-04 07:28:18,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 07:29:16,383 WARN L233 SmtUtils]: Spent 13.86s on a formula simplification. DAG size of input: 89 DAG size of output: 62 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-04 07:29:39,931 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 07:29:39,931 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 07:29:39,931 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 07:29:40,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 07:29:40,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 07:29:40,212 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 286 known predicates. [2023-05-04 07:29:40,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 07:29:40,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 07:29:40,214 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 07:29:40,217 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2023-05-04 07:29:40,218 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 07:29:40,218 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 07:29:40,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:29:40 BasicIcfg [2023-05-04 07:29:40,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 07:29:40,220 INFO L158 Benchmark]: Toolchain (without parser) took 873291.21ms. Allocated memory was 204.5MB in the beginning and 440.4MB in the end (delta: 235.9MB). Free memory was 176.0MB in the beginning and 136.8MB in the end (delta: 39.2MB). Peak memory consumption was 275.1MB. Max. memory is 8.0GB. [2023-05-04 07:29:40,220 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 07:29:40,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.03ms. Allocated memory is still 204.5MB. Free memory was 176.0MB in the beginning and 172.9MB in the end (delta: 3.1MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-05-04 07:29:40,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.44ms. Allocated memory is still 204.5MB. Free memory was 172.9MB in the beginning and 170.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 07:29:40,228 INFO L158 Benchmark]: Boogie Preprocessor took 37.07ms. Allocated memory is still 204.5MB. Free memory was 170.8MB in the beginning and 169.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 07:29:40,228 INFO L158 Benchmark]: RCFGBuilder took 437.14ms. Allocated memory is still 204.5MB. Free memory was 168.7MB in the beginning and 148.2MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-05-04 07:29:40,228 INFO L158 Benchmark]: TraceAbstraction took 872507.59ms. Allocated memory was 204.5MB in the beginning and 440.4MB in the end (delta: 235.9MB). Free memory was 147.2MB in the beginning and 136.8MB in the end (delta: 10.4MB). Peak memory consumption was 247.9MB. Max. memory is 8.0GB. [2023-05-04 07:29:40,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 263.03ms. Allocated memory is still 204.5MB. Free memory was 176.0MB in the beginning and 172.9MB in the end (delta: 3.1MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.44ms. Allocated memory is still 204.5MB. Free memory was 172.9MB in the beginning and 170.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.07ms. Allocated memory is still 204.5MB. Free memory was 170.8MB in the beginning and 169.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 437.14ms. Allocated memory is still 204.5MB. Free memory was 168.7MB in the beginning and 148.2MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 872507.59ms. Allocated memory was 204.5MB in the beginning and 440.4MB in the end (delta: 235.9MB). Free memory was 147.2MB in the beginning and 136.8MB in the end (delta: 10.4MB). Peak memory consumption was 247.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5686, independent: 4127, independent conditional: 316, independent unconditional: 3811, dependent: 1559, dependent conditional: 1555, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 316, independent unconditional: 3811, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 316, independent unconditional: 3811, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 0, independent unconditional: 4127, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 0, independent unconditional: 4127, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 0, independent unconditional: 4127, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3252, independent: 3248, independent conditional: 0, independent unconditional: 3248, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3252, independent: 3247, independent conditional: 0, independent unconditional: 3247, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4131, independent: 879, independent conditional: 0, independent unconditional: 879, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3252, unknown conditional: 0, unknown unconditional: 3252] , Statistics on independence cache: Total cache size (in pairs): 3252, Positive cache size: 3248, Positive conditional cache size: 0, Positive unconditional cache size: 3248, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1555 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 342, Number of trivial persistent sets: 302, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3815, independent: 3811, independent conditional: 0, independent unconditional: 3811, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5686, independent: 4127, independent conditional: 316, independent unconditional: 3811, dependent: 1559, dependent conditional: 1555, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 316, independent unconditional: 3811, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 316, independent unconditional: 3811, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 0, independent unconditional: 4127, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 0, independent unconditional: 4127, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4131, independent: 4127, independent conditional: 0, independent unconditional: 4127, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3252, independent: 3248, independent conditional: 0, independent unconditional: 3248, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3252, independent: 3247, independent conditional: 0, independent unconditional: 3247, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4131, independent: 879, independent conditional: 0, independent unconditional: 879, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3252, unknown conditional: 0, unknown unconditional: 3252] , Statistics on independence cache: Total cache size (in pairs): 3252, Positive cache size: 3248, Positive conditional cache size: 0, Positive unconditional cache size: 3248, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1555 - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 286 known predicates. - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 286 known predicates. - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 286 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 392 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 872.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 759.8s, 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: 377, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 109.5s InterpolantComputationTime, 4051 NumberOfCodeBlocks, 3787 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5348 ConstructedInterpolants, 171 QuantifiedInterpolants, 92713 SizeOfPredicates, 170 NumberOfNonLiveVariables, 2886 ConjunctsInSsa, 331 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 599/5219 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