/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/popl20-commit-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 02:23:17,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 02:23:17,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 02:23:17,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 02:23:17,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 02:23:17,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 02:23:17,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 02:23:17,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 02:23:17,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 02:23:17,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 02:23:17,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 02:23:17,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 02:23:17,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 02:23:17,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 02:23:17,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 02:23:17,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 02:23:17,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 02:23:17,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 02:23:17,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 02:23:17,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 02:23:17,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 02:23:17,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 02:23:17,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 02:23:17,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 02:23:17,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 02:23:17,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 02:23:17,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 02:23:17,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 02:23:17,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 02:23:17,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 02:23:17,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 02:23:17,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 02:23:17,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 02:23:17,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 02:23:17,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 02:23:17,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 02:23:17,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 02:23:17,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 02:23:17,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 02:23:17,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 02:23:17,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 02:23:17,219 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 02:23:17,245 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 02:23:17,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 02:23:17,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 02:23:17,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 02:23:17,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 02:23:17,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 02:23:17,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 02:23:17,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 02:23:17,247 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 02:23:17,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 02:23:17,247 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 02:23:17,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 02:23:17,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 02:23:17,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 02:23:17,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 02:23:17,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 02:23:17,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 02:23:17,248 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 02:23:17,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 02:23:17,249 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 02:23:17,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 02:23:17,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 02:23:17,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 02:23:17,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 02:23:17,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 02:23:17,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 02:23:17,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 02:23:17,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 02:23:17,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 02:23:17,250 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 02:23:17,250 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 02:23:17,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 02:23:17,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 02:23:17,251 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 02:23:17,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 02:23:17,251 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 02:23:17,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 02:23:17,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 02:23:17,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 02:23:17,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 02:23:17,509 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 02:23:17,510 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 02:23:17,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2023-05-20 02:23:17,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f478ec96/49bf058e3530419d82cd387a23cf85c8/FLAGb7f458efd [2023-05-20 02:23:18,065 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 02:23:18,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2023-05-20 02:23:18,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f478ec96/49bf058e3530419d82cd387a23cf85c8/FLAGb7f458efd [2023-05-20 02:23:18,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f478ec96/49bf058e3530419d82cd387a23cf85c8 [2023-05-20 02:23:18,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 02:23:18,557 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 02:23:18,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 02:23:18,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 02:23:18,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 02:23:18,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:23:18" (1/1) ... [2023-05-20 02:23:18,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688e5cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18, skipping insertion in model container [2023-05-20 02:23:18,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:23:18" (1/1) ... [2023-05-20 02:23:18,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 02:23:18,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 02:23:18,827 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/popl20-commit-2.wvr.c[5846,5859] [2023-05-20 02:23:18,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 02:23:18,852 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 02:23:18,897 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/popl20-commit-2.wvr.c[5846,5859] [2023-05-20 02:23:18,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 02:23:18,915 INFO L208 MainTranslator]: Completed translation [2023-05-20 02:23:18,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18 WrapperNode [2023-05-20 02:23:18,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 02:23:18,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 02:23:18,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 02:23:18,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 02:23:18,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18" (1/1) ... [2023-05-20 02:23:18,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18" (1/1) ... [2023-05-20 02:23:18,990 INFO L138 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 456 [2023-05-20 02:23:18,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 02:23:18,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 02:23:18,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 02:23:18,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 02:23:19,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18" (1/1) ... [2023-05-20 02:23:19,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18" (1/1) ... [2023-05-20 02:23:19,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18" (1/1) ... [2023-05-20 02:23:19,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18" (1/1) ... [2023-05-20 02:23:19,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18" (1/1) ... [2023-05-20 02:23:19,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18" (1/1) ... [2023-05-20 02:23:19,056 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18" (1/1) ... [2023-05-20 02:23:19,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18" (1/1) ... [2023-05-20 02:23:19,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 02:23:19,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 02:23:19,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 02:23:19,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 02:23:19,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18" (1/1) ... [2023-05-20 02:23:19,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 02:23:19,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:19,110 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) [2023-05-20 02:23:19,133 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 [2023-05-20 02:23:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 02:23:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 02:23:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 02:23:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 02:23:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 02:23:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 02:23:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 02:23:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 02:23:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 02:23:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 02:23:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-20 02:23:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-20 02:23:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 02:23:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 02:23:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 02:23:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 02:23:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 02:23:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 02:23:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 02:23:19,154 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 02:23:19,324 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 02:23:19,325 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 02:23:19,853 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 02:23:20,233 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 02:23:20,233 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2023-05-20 02:23:20,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:23:20 BoogieIcfgContainer [2023-05-20 02:23:20,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 02:23:20,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 02:23:20,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 02:23:20,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 02:23:20,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 02:23:18" (1/3) ... [2023-05-20 02:23:20,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33155695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:23:20, skipping insertion in model container [2023-05-20 02:23:20,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:23:18" (2/3) ... [2023-05-20 02:23:20,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33155695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:23:20, skipping insertion in model container [2023-05-20 02:23:20,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:23:20" (3/3) ... [2023-05-20 02:23:20,249 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-2.wvr.c [2023-05-20 02:23:20,257 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 02:23:20,266 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 02:23:20,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 02:23:20,266 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 02:23:20,382 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-20 02:23:20,437 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 02:23:20,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 02:23:20,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:20,441 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) [2023-05-20 02:23:20,447 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 [2023-05-20 02:23:20,487 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 02:23:20,502 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 02:23:20,508 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;@30be83d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 02:23:20,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-20 02:23:21,017 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:21,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:21,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2147016029, now seen corresponding path program 1 times [2023-05-20 02:23:21,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:21,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473149150] [2023-05-20 02:23:21,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:21,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-05-20 02:23:21,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:21,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473149150] [2023-05-20 02:23:21,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473149150] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:23:21,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:23:21,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 02:23:21,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204484025] [2023-05-20 02:23:21,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:23:21,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 02:23:21,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:21,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 02:23:21,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 02:23:21,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:21,585 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:21,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 122.0) internal successors, (244), 2 states have internal predecessors, (244), 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) [2023-05-20 02:23:21,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:21,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:21,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 02:23:21,659 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:21,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:21,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1702315150, now seen corresponding path program 1 times [2023-05-20 02:23:21,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:21,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773606268] [2023-05-20 02:23:21,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:21,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:22,370 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-05-20 02:23:22,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:22,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773606268] [2023-05-20 02:23:22,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773606268] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:23:22,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:23:22,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 02:23:22,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315821818] [2023-05-20 02:23:22,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:23:22,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 02:23:22,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:22,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 02:23:22,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 02:23:22,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:22,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:22,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 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) [2023-05-20 02:23:22,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:22,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:22,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:22,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:22,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 02:23:22,560 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:22,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:22,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1160225719, now seen corresponding path program 1 times [2023-05-20 02:23:22,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:22,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453116143] [2023-05-20 02:23:22,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:22,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-05-20 02:23:23,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:23,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453116143] [2023-05-20 02:23:23,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453116143] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:23:23,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829649415] [2023-05-20 02:23:23,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:23,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:23:23,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:23,330 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) [2023-05-20 02:23:23,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 02:23:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:23,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 02:23:23,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:23:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-05-20 02:23:23,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:23:24,304 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 58 proven. 5 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-05-20 02:23:24,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829649415] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:23:24,305 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:23:24,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-05-20 02:23:24,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622425320] [2023-05-20 02:23:24,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:23:24,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 02:23:24,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:24,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 02:23:24,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-05-20 02:23:24,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:24,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:24,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 17.842105263157894) internal successors, (339), 19 states have internal predecessors, (339), 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) [2023-05-20 02:23:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:24,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:24,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:24,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:24,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 02:23:24,873 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 [2023-05-20 02:23:24,873 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:24,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:24,874 INFO L85 PathProgramCache]: Analyzing trace with hash 488952786, now seen corresponding path program 2 times [2023-05-20 02:23:24,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:24,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411473346] [2023-05-20 02:23:24,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:24,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:25,612 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 13 proven. 65 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-05-20 02:23:25,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:25,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411473346] [2023-05-20 02:23:25,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411473346] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:23:25,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147773685] [2023-05-20 02:23:25,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 02:23:25,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:23:25,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:25,615 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) [2023-05-20 02:23:25,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 02:23:25,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 02:23:25,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:23:25,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 02:23:25,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:23:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 69 proven. 9 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-05-20 02:23:26,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:23:26,706 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-05-20 02:23:26,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147773685] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:23:26,707 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:23:26,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-05-20 02:23:26,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033615127] [2023-05-20 02:23:26,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:23:26,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-20 02:23:26,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:26,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-20 02:23:26,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-05-20 02:23:26,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:26,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:26,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.535714285714286) internal successors, (351), 28 states have internal predecessors, (351), 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) [2023-05-20 02:23:26,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:26,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:26,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:26,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:27,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:27,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:27,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:27,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:27,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 02:23:27,429 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 [2023-05-20 02:23:27,429 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:27,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:27,430 INFO L85 PathProgramCache]: Analyzing trace with hash -340697257, now seen corresponding path program 3 times [2023-05-20 02:23:27,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:27,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220921689] [2023-05-20 02:23:27,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:27,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:28,274 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 21 proven. 99 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-05-20 02:23:28,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:28,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220921689] [2023-05-20 02:23:28,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220921689] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:23:28,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697575390] [2023-05-20 02:23:28,275 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 02:23:28,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:23:28,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:28,277 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) [2023-05-20 02:23:28,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 02:23:28,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-20 02:23:28,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:23:28,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 02:23:28,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:23:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-05-20 02:23:28,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 02:23:28,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697575390] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:23:28,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 02:23:28,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 19 [2023-05-20 02:23:28,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167661567] [2023-05-20 02:23:28,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:23:28,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 02:23:28,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:28,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 02:23:28,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-05-20 02:23:28,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:28,697 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:28,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.333333333333336) internal successors, (254), 6 states have internal predecessors, (254), 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) [2023-05-20 02:23:28,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:28,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:28,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:28,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:28,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:28,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:28,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:28,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:28,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:28,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:28,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 02:23:29,052 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 [2023-05-20 02:23:29,052 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:29,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:29,053 INFO L85 PathProgramCache]: Analyzing trace with hash -126783135, now seen corresponding path program 1 times [2023-05-20 02:23:29,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:29,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9316156] [2023-05-20 02:23:29,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:29,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 21 proven. 99 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-05-20 02:23:29,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:29,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9316156] [2023-05-20 02:23:29,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9316156] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:23:29,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405666819] [2023-05-20 02:23:29,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:29,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:23:29,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:29,817 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) [2023-05-20 02:23:29,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 02:23:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:30,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-20 02:23:30,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:23:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 107 proven. 24 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-05-20 02:23:30,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:23:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 93 proven. 38 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-05-20 02:23:30,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405666819] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:23:30,973 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:23:30,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2023-05-20 02:23:30,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409102963] [2023-05-20 02:23:30,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:23:30,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-20 02:23:30,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:30,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-20 02:23:30,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332 [2023-05-20 02:23:30,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:30,976 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:30,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 11.35135135135135) internal successors, (420), 37 states have internal predecessors, (420), 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) [2023-05-20 02:23:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:30,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:30,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:30,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:30,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:30,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:31,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 02:23:31,861 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 [2023-05-20 02:23:31,861 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:31,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:31,862 INFO L85 PathProgramCache]: Analyzing trace with hash 866971686, now seen corresponding path program 2 times [2023-05-20 02:23:31,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:31,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508744305] [2023-05-20 02:23:31,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:31,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:32,686 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 27 proven. 125 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-20 02:23:32,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:32,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508744305] [2023-05-20 02:23:32,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508744305] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:23:32,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688881951] [2023-05-20 02:23:32,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 02:23:32,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:23:32,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:32,689 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) [2023-05-20 02:23:32,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 02:23:32,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 02:23:32,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:23:32,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-20 02:23:32,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:23:33,639 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 132 proven. 46 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-05-20 02:23:33,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:23:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 28 proven. 150 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-05-20 02:23:34,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688881951] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:23:34,423 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:23:34,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 20] total 51 [2023-05-20 02:23:34,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050179850] [2023-05-20 02:23:34,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:23:34,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-05-20 02:23:34,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:34,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-05-20 02:23:34,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=2075, Unknown=0, NotChecked=0, Total=2550 [2023-05-20 02:23:34,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:34,426 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:34,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 11.862745098039216) internal successors, (605), 51 states have internal predecessors, (605), 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) [2023-05-20 02:23:34,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:34,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:34,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:34,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:34,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:34,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:34,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:35,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:35,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 02:23:35,721 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 [2023-05-20 02:23:35,722 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:35,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:35,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1324800545, now seen corresponding path program 3 times [2023-05-20 02:23:35,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:35,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287506816] [2023-05-20 02:23:35,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:35,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:36,907 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 55 proven. 243 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-20 02:23:36,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:36,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287506816] [2023-05-20 02:23:36,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287506816] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:23:36,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278262486] [2023-05-20 02:23:36,908 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 02:23:36,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:23:36,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:36,953 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) [2023-05-20 02:23:36,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 02:23:37,189 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 02:23:37,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:23:37,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 17 conjunts are in the unsatisfiable core [2023-05-20 02:23:37,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:23:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-05-20 02:23:37,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:23:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 17 proven. 32 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-05-20 02:23:38,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278262486] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:23:38,054 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:23:38,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 9, 9] total 40 [2023-05-20 02:23:38,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203598836] [2023-05-20 02:23:38,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:23:38,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-05-20 02:23:38,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:38,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-05-20 02:23:38,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1385, Unknown=0, NotChecked=0, Total=1560 [2023-05-20 02:23:38,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:38,057 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:38,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 14.175) internal successors, (567), 40 states have internal predecessors, (567), 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) [2023-05-20 02:23:38,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:38,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:38,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:38,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:38,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:38,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:38,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:38,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:39,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:39,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:39,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:39,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:39,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:39,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:39,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:39,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:39,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 02:23:39,845 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 [2023-05-20 02:23:39,845 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:39,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:39,846 INFO L85 PathProgramCache]: Analyzing trace with hash 166085234, now seen corresponding path program 4 times [2023-05-20 02:23:39,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:39,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372863414] [2023-05-20 02:23:39,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:39,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:41,084 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 65 proven. 289 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-20 02:23:41,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:41,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372863414] [2023-05-20 02:23:41,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372863414] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:23:41,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646865773] [2023-05-20 02:23:41,085 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 02:23:41,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:23:41,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:41,087 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:23:41,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 02:23:41,311 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 02:23:41,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:23:41,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-20 02:23:41,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:23:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 153 proven. 204 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 02:23:42,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:23:43,391 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 125 proven. 232 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 02:23:43,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646865773] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:23:43,392 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:23:43,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 82 [2023-05-20 02:23:43,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443783929] [2023-05-20 02:23:43,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:23:43,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2023-05-20 02:23:43,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:43,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2023-05-20 02:23:43,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=5627, Unknown=0, NotChecked=0, Total=6642 [2023-05-20 02:23:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:43,398 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:43,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 7.048780487804878) internal successors, (578), 82 states have internal predecessors, (578), 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) [2023-05-20 02:23:43,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:43,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:43,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:43,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:43,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:43,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:43,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:43,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:43,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:44,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:44,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:44,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:44,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:44,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:44,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:44,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:44,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:44,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:44,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 02:23:44,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-20 02:23:44,737 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:44,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:44,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1421968649, now seen corresponding path program 5 times [2023-05-20 02:23:44,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:44,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895172264] [2023-05-20 02:23:44,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:44,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:46,151 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 84 proven. 333 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-20 02:23:46,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:46,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895172264] [2023-05-20 02:23:46,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895172264] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:23:46,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92390658] [2023-05-20 02:23:46,152 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 02:23:46,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:23:46,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:46,153 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:23:46,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 02:23:46,854 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-05-20 02:23:46,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:23:46,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-20 02:23:46,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:23:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2023-05-20 02:23:46,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 02:23:46,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92390658] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:23:46,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 02:23:46,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [33] total 34 [2023-05-20 02:23:46,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358534126] [2023-05-20 02:23:46,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:23:46,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 02:23:46,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:46,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 02:23:46,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=938, Unknown=0, NotChecked=0, Total=1122 [2023-05-20 02:23:46,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:46,963 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:46,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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) [2023-05-20 02:23:46,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:46,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:46,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:46,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:46,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:46,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:46,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:46,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:46,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:46,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:47,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:47,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:47,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:47,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:47,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:47,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:47,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:47,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:47,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:47,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:47,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 02:23:47,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 02:23:47,287 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:47,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:47,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1510673175, now seen corresponding path program 1 times [2023-05-20 02:23:47,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:47,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722942276] [2023-05-20 02:23:47,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:47,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:47,835 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2023-05-20 02:23:47,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:47,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722942276] [2023-05-20 02:23:47,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722942276] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:23:47,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:23:47,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 02:23:47,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027991293] [2023-05-20 02:23:47,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:23:47,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 02:23:47,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:47,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 02:23:47,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 02:23:47,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:47,837 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:47,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2023-05-20 02:23:47,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:47,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:47,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:47,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:47,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:47,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:47,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:47,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:47,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:47,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:47,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:47,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:47,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:47,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-05-20 02:23:47,903 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:47,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:47,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1163720991, now seen corresponding path program 1 times [2023-05-20 02:23:47,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:47,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105325905] [2023-05-20 02:23:47,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:47,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-05-20 02:23:48,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:48,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105325905] [2023-05-20 02:23:48,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105325905] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:23:48,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:23:48,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 02:23:48,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916633246] [2023-05-20 02:23:48,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:23:48,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 02:23:48,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:48,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 02:23:48,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 02:23:48,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:48,244 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:48,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 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) [2023-05-20 02:23:48,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:48,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:48,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:48,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:48,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:48,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:48,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:48,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:48,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:48,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:48,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:48,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:48,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:48,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:48,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:48,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:48,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:48,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:48,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:48,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:48,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:48,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:48,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:48,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:48,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-05-20 02:23:48,508 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:48,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:48,508 INFO L85 PathProgramCache]: Analyzing trace with hash 785565583, now seen corresponding path program 1 times [2023-05-20 02:23:48,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:48,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350473276] [2023-05-20 02:23:48,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:48,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:48,862 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-05-20 02:23:48,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:48,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350473276] [2023-05-20 02:23:48,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350473276] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:23:48,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:23:48,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 02:23:48,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299317883] [2023-05-20 02:23:48,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:23:48,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 02:23:48,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:48,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 02:23:48,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-20 02:23:48,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:48,865 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:48,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 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) [2023-05-20 02:23:48,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:48,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:48,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:48,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:48,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:48,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:48,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:48,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:48,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:48,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:48,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:48,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:48,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:49,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:49,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:49,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-05-20 02:23:49,777 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:49,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:49,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1974755947, now seen corresponding path program 1 times [2023-05-20 02:23:49,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:49,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422266142] [2023-05-20 02:23:49,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:49,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:50,049 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2023-05-20 02:23:50,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:50,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422266142] [2023-05-20 02:23:50,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422266142] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:23:50,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:23:50,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 02:23:50,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044613284] [2023-05-20 02:23:50,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:23:50,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 02:23:50,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:50,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 02:23:50,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 02:23:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:50,051 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:50,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.833333333333336) internal successors, (263), 6 states have internal predecessors, (263), 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) [2023-05-20 02:23:50,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:50,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:50,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:50,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:50,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:50,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:50,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:50,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:50,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:50,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:50,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:50,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:50,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:50,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:50,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:50,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:50,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:50,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:50,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:50,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-05-20 02:23:50,285 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:50,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:50,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1133672608, now seen corresponding path program 1 times [2023-05-20 02:23:50,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:50,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438704183] [2023-05-20 02:23:50,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:50,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:50,536 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2023-05-20 02:23:50,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:50,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438704183] [2023-05-20 02:23:50,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438704183] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:23:50,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:23:50,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 02:23:50,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93887349] [2023-05-20 02:23:50,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:23:50,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 02:23:50,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:50,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 02:23:50,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-20 02:23:50,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:50,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:50,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:23:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:50,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:50,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:50,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:50,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:50,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:50,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:50,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:50,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-05-20 02:23:50,835 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:50,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:50,835 INFO L85 PathProgramCache]: Analyzing trace with hash 663808890, now seen corresponding path program 1 times [2023-05-20 02:23:50,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:50,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210696360] [2023-05-20 02:23:50,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:50,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-05-20 02:23:51,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:51,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210696360] [2023-05-20 02:23:51,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210696360] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:23:51,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:23:51,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 02:23:51,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263426599] [2023-05-20 02:23:51,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:23:51,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 02:23:51,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:51,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 02:23:51,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 02:23:51,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:51,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:51,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:51,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:51,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:51,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:51,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:51,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:51,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-05-20 02:23:51,753 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:51,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:51,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1048473398, now seen corresponding path program 1 times [2023-05-20 02:23:51,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:51,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683178286] [2023-05-20 02:23:51,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:51,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:52,208 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2023-05-20 02:23:52,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:52,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683178286] [2023-05-20 02:23:52,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683178286] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:23:52,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48556965] [2023-05-20 02:23:52,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:52,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:23:52,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:52,213 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:23:52,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 02:23:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:52,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 02:23:52,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:23:52,836 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-05-20 02:23:52,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:23:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 18 proven. 17 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-05-20 02:23:53,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48556965] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:23:53,239 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:23:53,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2023-05-20 02:23:53,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114578634] [2023-05-20 02:23:53,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:23:53,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-20 02:23:53,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:53,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-20 02:23:53,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2023-05-20 02:23:53,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:53,241 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:53,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 24.181818181818183) internal successors, (532), 22 states have internal predecessors, (532), 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) [2023-05-20 02:23:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:53,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:53,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:53,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:53,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:53,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:53,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:53,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:53,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 02:23:54,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 02:23:54,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-20 02:23:54,216 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:54,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:54,216 INFO L85 PathProgramCache]: Analyzing trace with hash -2129391973, now seen corresponding path program 2 times [2023-05-20 02:23:54,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:54,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280546108] [2023-05-20 02:23:54,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:54,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:54,914 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-05-20 02:23:54,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:54,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280546108] [2023-05-20 02:23:54,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280546108] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:23:54,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065367576] [2023-05-20 02:23:54,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 02:23:54,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:23:54,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:54,916 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:23:54,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 02:23:55,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 02:23:55,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:23:55,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-20 02:23:55,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:23:55,544 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-05-20 02:23:55,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 02:23:55,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065367576] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:23:55,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 02:23:55,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2023-05-20 02:23:55,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214643918] [2023-05-20 02:23:55,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:23:55,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 02:23:55,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:55,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 02:23:55,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-05-20 02:23:55,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:55,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:55,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 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) [2023-05-20 02:23:55,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:55,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:55,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:55,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 02:23:55,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:55,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:55,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:55,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:55,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:55,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:55,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 02:23:55,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:55,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 02:23:55,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-20 02:23:55,953 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:55,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:55,954 INFO L85 PathProgramCache]: Analyzing trace with hash 2016826479, now seen corresponding path program 3 times [2023-05-20 02:23:55,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:55,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599139421] [2023-05-20 02:23:55,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:55,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:56,633 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-05-20 02:23:56,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:56,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599139421] [2023-05-20 02:23:56,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599139421] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:23:56,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020262411] [2023-05-20 02:23:56,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 02:23:56,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:23:56,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:56,635 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:23:56,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 02:23:56,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 02:23:56,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:23:56,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-20 02:23:56,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:23:57,318 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2023-05-20 02:23:57,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:23:57,706 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2023-05-20 02:23:57,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020262411] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:23:57,706 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:23:57,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12, 12] total 25 [2023-05-20 02:23:57,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075626199] [2023-05-20 02:23:57,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:23:57,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-05-20 02:23:57,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:23:57,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-05-20 02:23:57,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2023-05-20 02:23:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:57,708 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:23:57,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 23.48) internal successors, (587), 25 states have internal predecessors, (587), 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) [2023-05-20 02:23:57,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:57,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:57,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:57,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:57,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:57,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:57,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:57,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:57,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:57,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:57,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:57,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:57,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:57,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:57,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:57,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:57,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 02:23:57,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:57,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:23:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:23:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:23:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:23:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:23:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:23:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:23:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:23:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:23:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:23:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 02:23:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:23:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 02:23:58,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-05-20 02:23:58,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:23:58,709 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:23:58,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:23:58,709 INFO L85 PathProgramCache]: Analyzing trace with hash 902878378, now seen corresponding path program 4 times [2023-05-20 02:23:58,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:23:58,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359991733] [2023-05-20 02:23:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:23:58,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:23:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:23:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2023-05-20 02:23:59,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:23:59,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359991733] [2023-05-20 02:23:59,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359991733] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:23:59,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960958147] [2023-05-20 02:23:59,169 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 02:23:59,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:23:59,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:23:59,173 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:23:59,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-20 02:23:59,774 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 02:23:59,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:23:59,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 02:23:59,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:23:59,891 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2023-05-20 02:23:59,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:24:00,155 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2023-05-20 02:24:00,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960958147] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:24:00,155 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:24:00,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 7 [2023-05-20 02:24:00,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607350768] [2023-05-20 02:24:00,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:24:00,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 02:24:00,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:24:00,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 02:24:00,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-05-20 02:24:00,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:24:00,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:24:00,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.42857142857143) internal successors, (381), 7 states have internal predecessors, (381), 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) [2023-05-20 02:24:00,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:24:00,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-05-20 02:24:00,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:24:00,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 02:24:00,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:24:00,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:24:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:24:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:24:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 02:24:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:24:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-20 02:24:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-20 02:24:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-20 02:24:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 02:24:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:24:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:24:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:24:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:24:00,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:24:00,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:24:00,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 02:24:00,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-05-20 02:24:00,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:24:00,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 02:24:00,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-20 02:24:00,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-20 02:24:00,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2023-05-20 02:24:00,601 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 02:24:00,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:24:00,601 INFO L85 PathProgramCache]: Analyzing trace with hash -508895482, now seen corresponding path program 5 times [2023-05-20 02:24:00,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:24:00,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144276125] [2023-05-20 02:24:00,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:24:00,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:24:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:24:59,102 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-20 02:24:59,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:24:59,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144276125] [2023-05-20 02:24:59,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144276125] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:24:59,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807342518] [2023-05-20 02:24:59,103 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 02:24:59,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:24:59,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:24:59,105 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:24:59,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-20 02:25:02,763 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2023-05-20 02:25:02,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:25:02,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 87 conjunts are in the unsatisfiable core [2023-05-20 02:25:02,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:25:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2023-05-20 02:25:09,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:25:36,983 WARN L233 SmtUtils]: Spent 26.10s on a formula simplification. DAG size of input: 45 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 02:25:55,208 WARN L233 SmtUtils]: Spent 18.06s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 02:26:45,675 WARN L233 SmtUtils]: Spent 50.16s on a formula simplification. DAG size of input: 64 DAG size of output: 60 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 02:27:10,058 WARN L233 SmtUtils]: Spent 24.09s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 02:27:38,392 WARN L233 SmtUtils]: Spent 28.11s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 02:28:39,146 WARN L233 SmtUtils]: Spent 1.00m on a formula simplification. DAG size of input: 85 DAG size of output: 81 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 02:29:51,593 WARN L233 SmtUtils]: Spent 1.14m on a formula simplification that was a NOOP. DAG size: 87 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 02:33:02,870 WARN L233 SmtUtils]: Spent 3.08m on a formula simplification. DAG size of input: 99 DAG size of output: 95 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 02:33:42,399 WARN L233 SmtUtils]: Spent 39.45s on a formula simplification that was a NOOP. DAG size: 2070 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-20 02:33:42,400 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:33:42,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 583 treesize of output 7792 Received shutdown request... [2023-05-20 02:36:52,113 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 [2023-05-20 02:36:52,115 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 02:36:52,122 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 [2023-05-20 02:36:52,135 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-05-20 02:36:52,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-20 02:36:52,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:36:52,361 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 370 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-430-24-3-26-7-25-7-25-3-1 context. [2023-05-20 02:36:52,363 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-20 02:36:52,363 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-20 02:36:52,363 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-20 02:36:52,364 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-20 02:36:52,368 INFO L444 BasicCegarLoop]: Path program histogram: [5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-05-20 02:36:52,370 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 02:36:52,370 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 02:36:52,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 02:36:52 BasicIcfg [2023-05-20 02:36:52,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 02:36:52,373 INFO L158 Benchmark]: Toolchain (without parser) took 813816.52ms. Allocated memory was 181.4MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 158.4MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2023-05-20 02:36:52,374 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 181.4MB. Free memory was 140.2MB in the beginning and 140.1MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 02:36:52,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.88ms. Allocated memory is still 181.4MB. Free memory was 158.2MB in the beginning and 152.4MB in the end (delta: 5.8MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2023-05-20 02:36:52,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.88ms. Allocated memory is still 181.4MB. Free memory was 152.4MB in the beginning and 149.1MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 02:36:52,375 INFO L158 Benchmark]: Boogie Preprocessor took 69.73ms. Allocated memory is still 181.4MB. Free memory was 149.1MB in the beginning and 146.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 02:36:52,375 INFO L158 Benchmark]: RCFGBuilder took 1176.32ms. Allocated memory was 181.4MB in the beginning and 238.0MB in the end (delta: 56.6MB). Free memory was 146.5MB in the beginning and 190.8MB in the end (delta: -44.3MB). Peak memory consumption was 58.3MB. Max. memory is 8.0GB. [2023-05-20 02:36:52,375 INFO L158 Benchmark]: TraceAbstraction took 812131.60ms. Allocated memory was 238.0MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 189.8MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-05-20 02:36:52,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 181.4MB. Free memory was 140.2MB in the beginning and 140.1MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 356.88ms. Allocated memory is still 181.4MB. Free memory was 158.2MB in the beginning and 152.4MB in the end (delta: 5.8MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 73.88ms. Allocated memory is still 181.4MB. Free memory was 152.4MB in the beginning and 149.1MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 69.73ms. Allocated memory is still 181.4MB. Free memory was 149.1MB in the beginning and 146.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1176.32ms. Allocated memory was 181.4MB in the beginning and 238.0MB in the end (delta: 56.6MB). Free memory was 146.5MB in the beginning and 190.8MB in the end (delta: -44.3MB). Peak memory consumption was 58.3MB. Max. memory is 8.0GB. * TraceAbstraction took 812131.60ms. Allocated memory was 238.0MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 189.8MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 112334, independent: 94921, independent conditional: 90376, independent unconditional: 4545, dependent: 17413, dependent conditional: 17349, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95118, independent: 94921, independent conditional: 90376, independent unconditional: 4545, dependent: 197, dependent conditional: 133, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 95118, independent: 94921, independent conditional: 90376, independent unconditional: 4545, dependent: 197, dependent conditional: 133, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98353, independent: 94921, independent conditional: 547, independent unconditional: 94374, dependent: 3432, dependent conditional: 2688, dependent unconditional: 744, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 98353, independent: 94921, independent conditional: 547, independent unconditional: 94374, dependent: 3432, dependent conditional: 824, dependent unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 98353, independent: 94921, independent conditional: 547, independent unconditional: 94374, dependent: 3432, dependent conditional: 824, dependent unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3994, independent: 3911, independent conditional: 10, independent unconditional: 3901, dependent: 83, dependent conditional: 19, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3994, independent: 3864, independent conditional: 0, independent unconditional: 3864, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 130, independent: 47, independent conditional: 10, independent unconditional: 37, dependent: 83, dependent conditional: 19, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, independent: 47, independent conditional: 10, independent unconditional: 37, dependent: 83, dependent conditional: 19, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 921, independent: 396, independent conditional: 42, independent unconditional: 353, dependent: 525, dependent conditional: 173, dependent unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 98353, independent: 91010, independent conditional: 537, independent unconditional: 90473, dependent: 3349, dependent conditional: 805, dependent unconditional: 2544, unknown: 3994, unknown conditional: 29, unknown unconditional: 3965] , Statistics on independence cache: Total cache size (in pairs): 3994, Positive cache size: 3911, Positive conditional cache size: 10, Positive unconditional cache size: 3901, Negative cache size: 83, Negative conditional cache size: 19, Negative unconditional cache size: 64, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1864, Maximal queried relation: 10, Independence queries for same thread: 17216 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.0s, Number of persistent set computation: 2603, Number of trivial persistent sets: 1888, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4609, independent: 4545, independent conditional: 0, independent unconditional: 4545, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 112334, independent: 94921, independent conditional: 90376, independent unconditional: 4545, dependent: 17413, dependent conditional: 17349, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95118, independent: 94921, independent conditional: 90376, independent unconditional: 4545, dependent: 197, dependent conditional: 133, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 95118, independent: 94921, independent conditional: 90376, independent unconditional: 4545, dependent: 197, dependent conditional: 133, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98353, independent: 94921, independent conditional: 547, independent unconditional: 94374, dependent: 3432, dependent conditional: 2688, dependent unconditional: 744, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 98353, independent: 94921, independent conditional: 547, independent unconditional: 94374, dependent: 3432, dependent conditional: 824, dependent unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 98353, independent: 94921, independent conditional: 547, independent unconditional: 94374, dependent: 3432, dependent conditional: 824, dependent unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3994, independent: 3911, independent conditional: 10, independent unconditional: 3901, dependent: 83, dependent conditional: 19, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3994, independent: 3864, independent conditional: 0, independent unconditional: 3864, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 130, independent: 47, independent conditional: 10, independent unconditional: 37, dependent: 83, dependent conditional: 19, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 130, independent: 47, independent conditional: 10, independent unconditional: 37, dependent: 83, dependent conditional: 19, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 921, independent: 396, independent conditional: 42, independent unconditional: 353, dependent: 525, dependent conditional: 173, dependent unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 98353, independent: 91010, independent conditional: 537, independent unconditional: 90473, dependent: 3349, dependent conditional: 805, dependent unconditional: 2544, unknown: 3994, unknown conditional: 29, unknown unconditional: 3965] , Statistics on independence cache: Total cache size (in pairs): 3994, Positive cache size: 3911, Positive conditional cache size: 10, Positive unconditional cache size: 3901, Negative cache size: 83, Negative conditional cache size: 19, Negative unconditional cache size: 64, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1864, Maximal queried relation: 10, Independence queries for same thread: 17216 - TimeoutResultAtElement [Line: 186]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 370 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-430-24-3-26-7-25-7-25-3-1 context. - TimeoutResultAtElement [Line: 178]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 370 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-430-24-3-26-7-25-7-25-3-1 context. - TimeoutResultAtElement [Line: 177]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 370 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-430-24-3-26-7-25-7-25-3-1 context. - TimeoutResultAtElement [Line: 179]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 370 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-430-24-3-26-7-25-7-25-3-1 context. - TimeoutResultAtElement [Line: 176]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 370 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-430-24-3-26-7-25-7-25-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 344 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 811.9s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 10.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 303, 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: 0.7s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 20.1s InterpolantComputationTime, 10768 NumberOfCodeBlocks, 10440 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 13770 ConstructedInterpolants, 0 QuantifiedInterpolants, 37261 SizeOfPredicates, 104 NumberOfNonLiveVariables, 9754 ConjunctsInSsa, 162 ConjunctsInUnsatCore, 41 InterpolantComputations, 11 PerfectInterpolantSequences, 9104/11281 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