/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 03:12:07,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 03:12:07,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 03:12:07,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 03:12:07,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 03:12:07,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 03:12:07,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 03:12:07,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 03:12:07,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 03:12:07,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 03:12:07,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 03:12:07,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 03:12:07,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 03:12:07,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 03:12:07,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 03:12:07,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 03:12:07,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 03:12:07,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 03:12:07,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 03:12:07,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 03:12:07,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 03:12:07,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 03:12:07,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 03:12:07,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 03:12:07,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 03:12:07,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 03:12:07,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 03:12:07,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 03:12:07,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 03:12:07,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 03:12:07,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 03:12:07,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 03:12:07,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 03:12:07,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 03:12:07,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 03:12:07,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 03:12:07,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 03:12:07,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 03:12:07,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 03:12:07,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 03:12:07,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 03:12:07,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 03:12:07,113 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 03:12:07,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 03:12:07,114 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 03:12:07,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 03:12:07,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 03:12:07,114 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 03:12:07,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 03:12:07,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 03:12:07,115 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 03:12:07,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 03:12:07,115 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 03:12:07,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 03:12:07,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 03:12:07,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 03:12:07,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 03:12:07,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 03:12:07,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 03:12:07,116 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 03:12:07,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 03:12:07,116 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 03:12:07,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 03:12:07,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 03:12:07,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 03:12:07,116 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 03:12:07,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 03:12:07,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 03:12:07,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 03:12:07,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 03:12:07,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 03:12:07,120 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 03:12:07,120 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 03:12:07,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 03:12:07,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 03:12:07,121 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 03:12:07,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 03:12:07,121 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 03:12:07,121 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-04 03:12:07,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 03:12:07,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 03:12:07,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 03:12:07,330 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 03:12:07,331 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 03:12:07,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2023-05-04 03:12:07,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f928afb/0dace7f089fe4a7f883412d9b1a640be/FLAG5a2dea59c [2023-05-04 03:12:07,737 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 03:12:07,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2023-05-04 03:12:07,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f928afb/0dace7f089fe4a7f883412d9b1a640be/FLAG5a2dea59c [2023-05-04 03:12:07,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f928afb/0dace7f089fe4a7f883412d9b1a640be [2023-05-04 03:12:07,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 03:12:07,753 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 03:12:07,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 03:12:07,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 03:12:07,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 03:12:07,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:12:07" (1/1) ... [2023-05-04 03:12:07,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131cb039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:07, skipping insertion in model container [2023-05-04 03:12:07,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:12:07" (1/1) ... [2023-05-04 03:12:07,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 03:12:07,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 03:12:07,979 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-bad-ring-nondet.wvr.c[4085,4098] [2023-05-04 03:12:07,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 03:12:07,989 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 03:12:08,014 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-bad-ring-nondet.wvr.c[4085,4098] [2023-05-04 03:12:08,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 03:12:08,031 INFO L208 MainTranslator]: Completed translation [2023-05-04 03:12:08,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:08 WrapperNode [2023-05-04 03:12:08,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 03:12:08,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 03:12:08,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 03:12:08,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 03:12:08,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:08" (1/1) ... [2023-05-04 03:12:08,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:08" (1/1) ... [2023-05-04 03:12:08,066 INFO L138 Inliner]: procedures = 25, calls = 63, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 317 [2023-05-04 03:12:08,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 03:12:08,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 03:12:08,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 03:12:08,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 03:12:08,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:08" (1/1) ... [2023-05-04 03:12:08,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:08" (1/1) ... [2023-05-04 03:12:08,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:08" (1/1) ... [2023-05-04 03:12:08,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:08" (1/1) ... [2023-05-04 03:12:08,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:08" (1/1) ... [2023-05-04 03:12:08,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:08" (1/1) ... [2023-05-04 03:12:08,089 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:08" (1/1) ... [2023-05-04 03:12:08,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:08" (1/1) ... [2023-05-04 03:12:08,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 03:12:08,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 03:12:08,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 03:12:08,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 03:12:08,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:08" (1/1) ... [2023-05-04 03:12:08,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 03:12:08,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:12:08,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 03:12:08,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 03:12:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 03:12:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 03:12:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 03:12:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 03:12:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 03:12:08,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 03:12:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 03:12:08,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 03:12:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 03:12:08,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 03:12:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 03:12:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 03:12:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 03:12:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 03:12:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 03:12:08,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 03:12:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 03:12:08,195 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 03:12:08,324 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 03:12:08,326 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 03:12:08,787 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 03:12:08,883 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 03:12:08,883 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2023-05-04 03:12:08,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:12:08 BoogieIcfgContainer [2023-05-04 03:12:08,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 03:12:08,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 03:12:08,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 03:12:08,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 03:12:08,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 03:12:07" (1/3) ... [2023-05-04 03:12:08,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d41826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:12:08, skipping insertion in model container [2023-05-04 03:12:08,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:12:08" (2/3) ... [2023-05-04 03:12:08,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d41826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:12:08, skipping insertion in model container [2023-05-04 03:12:08,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:12:08" (3/3) ... [2023-05-04 03:12:08,892 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring-nondet.wvr.c [2023-05-04 03:12:08,897 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 03:12:08,903 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 03:12:08,904 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 03:12:08,904 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 03:12:08,978 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 03:12:09,028 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 03:12:09,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 03:12:09,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:12:09,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 03:12:09,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 03:12:09,059 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 03:12:09,088 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 03:12:09,093 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;@53fa900f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 03:12:09,093 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 03:12:09,398 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 03:12:09,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:12:09,403 INFO L85 PathProgramCache]: Analyzing trace with hash 301956672, now seen corresponding path program 1 times [2023-05-04 03:12:09,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:12:09,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51316745] [2023-05-04 03:12:09,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:12:09,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:12:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:12:09,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:12:09,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:12:09,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51316745] [2023-05-04 03:12:09,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51316745] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:12:09,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:12:09,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 03:12:09,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969491746] [2023-05-04 03:12:09,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:12:09,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 03:12:09,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:12:09,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 03:12:09,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 03:12:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:09,763 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:12:09,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 97.5) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 03:12:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:09,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:09,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 03:12:09,870 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 03:12:09,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:12:09,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1505053925, now seen corresponding path program 1 times [2023-05-04 03:12:09,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:12:09,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304294783] [2023-05-04 03:12:09,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:12:09,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:12:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:12:10,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:12:10,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:12:10,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304294783] [2023-05-04 03:12:10,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304294783] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:12:10,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:12:10,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 03:12:10,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989415232] [2023-05-04 03:12:10,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:12:10,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 03:12:10,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:12:10,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 03:12:10,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 03:12:10,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:10,335 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:12:10,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 03:12:10,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:10,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:10,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:10,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:10,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 03:12:10,426 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 03:12:10,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:12:10,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1349429814, now seen corresponding path program 1 times [2023-05-04 03:12:10,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:12:10,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728199129] [2023-05-04 03:12:10,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:12:10,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:12:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:12:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 03:12:10,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:12:10,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728199129] [2023-05-04 03:12:10,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728199129] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:12:10,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:12:10,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 03:12:10,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569453940] [2023-05-04 03:12:10,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:12:10,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 03:12:10,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:12:10,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 03:12:10,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 03:12:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:10,937 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:12:10,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 6 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 03:12:10,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:10,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:10,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:14,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 03:12:14,208 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 03:12:14,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:12:14,209 INFO L85 PathProgramCache]: Analyzing trace with hash -435899440, now seen corresponding path program 1 times [2023-05-04 03:12:14,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:12:14,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404474249] [2023-05-04 03:12:14,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:12:14,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:12:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:12:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 03:12:14,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:12:14,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404474249] [2023-05-04 03:12:14,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404474249] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:12:14,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:12:14,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 03:12:14,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894886623] [2023-05-04 03:12:14,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:12:14,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 03:12:14,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:12:14,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 03:12:14,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-04 03:12:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:14,392 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:12:14,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 03:12:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:14,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:14,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:16,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:16,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:16,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:16,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:12:16,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 03:12:16,671 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 03:12:16,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:12:16,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1001761205, now seen corresponding path program 1 times [2023-05-04 03:12:16,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:12:16,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266292464] [2023-05-04 03:12:16,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:12:16,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:12:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:12:16,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 03:12:16,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:12:16,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266292464] [2023-05-04 03:12:16,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266292464] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:12:16,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:12:16,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 03:12:16,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905092445] [2023-05-04 03:12:16,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:12:16,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 03:12:16,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:12:16,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 03:12:16,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 03:12:16,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:16,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:12:16,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 03:12:16,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:16,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:16,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:16,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:12:16,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:19,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:19,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:12:19,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:12:19,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 03:12:19,830 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 03:12:19,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:12:19,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1763460668, now seen corresponding path program 1 times [2023-05-04 03:12:19,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:12:19,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715713287] [2023-05-04 03:12:19,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:12:19,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:12:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:12:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 03:12:20,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:12:20,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715713287] [2023-05-04 03:12:20,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715713287] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:12:20,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:12:20,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 03:12:20,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477420030] [2023-05-04 03:12:20,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:12:20,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 03:12:20,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:12:20,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 03:12:20,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-04 03:12:20,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:20,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:12:20,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.6) internal successors, (213), 5 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 03:12:20,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:20,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:20,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:20,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:12:20,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:12:20,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:23,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:23,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:23,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:23,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:12:23,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:12:23,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:23,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-04 03:12:23,375 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 03:12:23,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:12:23,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1149315147, now seen corresponding path program 1 times [2023-05-04 03:12:23,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:12:23,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935229616] [2023-05-04 03:12:23,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:12:23,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:12:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:12:23,523 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 333 proven. 1 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-05-04 03:12:23,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:12:23,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935229616] [2023-05-04 03:12:23,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935229616] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:12:23,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359274436] [2023-05-04 03:12:23,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:12:23,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:12:23,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:12:23,533 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 03:12:23,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 03:12:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:12:23,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 2 conjunts are in the unsatisfiable core [2023-05-04 03:12:23,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:12:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2023-05-04 03:12:23,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 03:12:23,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359274436] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:12:23,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 03:12:23,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-05-04 03:12:23,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596717919] [2023-05-04 03:12:23,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:12:23,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 03:12:23,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:12:23,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 03:12:23,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 03:12:23,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:23,798 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:12:23,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 03:12:23,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:23,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:23,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:23,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:12:23,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:12:23,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:23,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:27,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:27,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:27,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:27,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:12:27,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:12:27,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:27,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:27,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 03:12:27,497 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,SelfDestructingSolverStorable6 [2023-05-04 03:12:27,497 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 03:12:27,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:12:27,498 INFO L85 PathProgramCache]: Analyzing trace with hash 22643851, now seen corresponding path program 2 times [2023-05-04 03:12:27,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:12:27,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44547872] [2023-05-04 03:12:27,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:12:27,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:12:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:12:27,650 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 401 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-05-04 03:12:27,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:12:27,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44547872] [2023-05-04 03:12:27,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44547872] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:12:27,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423970752] [2023-05-04 03:12:27,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 03:12:27,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:12:27,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:12:27,652 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 03:12:27,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 03:12:27,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 03:12:27,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:12:27,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-04 03:12:27,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:12:27,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2023-05-04 03:12:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 137 proven. 1 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2023-05-04 03:12:27,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:12:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 137 proven. 1 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2023-05-04 03:12:27,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423970752] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:12:27,938 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:12:27,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2023-05-04 03:12:27,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950331483] [2023-05-04 03:12:27,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:12:27,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 03:12:27,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:12:27,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 03:12:27,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-04 03:12:27,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:27,939 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:12:27,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 03:12:27,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:27,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:27,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:27,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:12:27,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:12:27,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:27,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:27,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:12:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:12:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:43,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 03:12:44,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:12:44,045 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 03:12:44,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:12:44,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1337353473, now seen corresponding path program 1 times [2023-05-04 03:12:44,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:12:44,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146055592] [2023-05-04 03:12:44,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:12:44,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:12:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:12:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 14 proven. 54 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-05-04 03:12:44,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:12:44,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146055592] [2023-05-04 03:12:44,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146055592] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:12:44,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459119855] [2023-05-04 03:12:44,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:12:44,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:12:44,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:12:44,638 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 03:12:44,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 03:12:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:12:44,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 03:12:44,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:12:45,029 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-05-04 03:12:45,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-04 03:12:45,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459119855] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:12:45,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-04 03:12:45,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2023-05-04 03:12:45,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72530788] [2023-05-04 03:12:45,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:12:45,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 03:12:45,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:12:45,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 03:12:45,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2023-05-04 03:12:45,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:45,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:12:45,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 03:12:45,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:12:45,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:45,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:45,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:12:45,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:12:45,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:45,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:12:45,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:12:45,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:13:03,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:13:03,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:13:03,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:13:03,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:13:03,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:13:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:13:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:13:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:13:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:13:03,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 03:13:03,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:13:03,679 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 03:13:03,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:13:03,680 INFO L85 PathProgramCache]: Analyzing trace with hash 17657996, now seen corresponding path program 1 times [2023-05-04 03:13:03,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:13:03,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172270050] [2023-05-04 03:13:03,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:13:03,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:13:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:13:04,042 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 14 proven. 54 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-05-04 03:13:04,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:13:04,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172270050] [2023-05-04 03:13:04,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172270050] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:13:04,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812811784] [2023-05-04 03:13:04,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:13:04,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:13:04,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:13:04,051 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 03:13:04,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 03:13:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:13:04,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-04 03:13:04,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:13:04,851 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 106 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 03:13:04,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:13:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 106 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-04 03:13:05,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812811784] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:13:05,618 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:13:05,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 16] total 38 [2023-05-04 03:13:05,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954972707] [2023-05-04 03:13:05,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:13:05,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-04 03:13:05,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:13:05,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-04 03:13:05,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2023-05-04 03:13:05,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:13:05,619 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:13:05,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 18.736842105263158) internal successors, (712), 38 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 03:13:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:13:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:13:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:13:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-04 03:13:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:13:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:13:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 03:13:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:13:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:13:05,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.