/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe011_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 13:10:18,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 13:10:18,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 13:10:18,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 13:10:18,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 13:10:18,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 13:10:18,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 13:10:18,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 13:10:18,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 13:10:18,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 13:10:18,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 13:10:18,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 13:10:18,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 13:10:18,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 13:10:18,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 13:10:18,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 13:10:18,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 13:10:18,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 13:10:18,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 13:10:18,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 13:10:18,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 13:10:18,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 13:10:18,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 13:10:18,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 13:10:18,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 13:10:18,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 13:10:18,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 13:10:18,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 13:10:18,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 13:10:18,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2023-05-20 13:10:18,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 13:10:18,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 13:10:18,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 13:10:18,787 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 13:10:18,802 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 13:10:18,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 13:10:18,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 13:10:18,803 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 13:10:18,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 13:10:18,803 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 13:10:18,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 13:10:18,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 13:10:18,804 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 13:10:18,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 13:10:18,804 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 13:10:18,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 13:10:18,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 13:10:18,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 13:10:18,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 13:10:18,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 13:10:18,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 13:10:18,805 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 13:10:18,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 13:10:18,805 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 13:10:18,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 13:10:18,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 13:10:18,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 13:10:18,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 13:10:18,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 13:10:18,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 13:10:18,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 13:10:18,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 13:10:18,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 13:10:18,807 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 13:10:18,807 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 13:10:18,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 13:10:18,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 13:10:18,807 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 13:10:18,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 13:10:18,807 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 13:10:18,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 13:10:18,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 13:10:19,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 13:10:19,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 13:10:19,017 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 13:10:19,017 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 13:10:19,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_tso.i [2023-05-20 13:10:19,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40316ffc4/9ef0083449714da8860b3e3ed6eac262/FLAG10ef5d7f7 [2023-05-20 13:10:19,467 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 13:10:19,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_tso.i [2023-05-20 13:10:19,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40316ffc4/9ef0083449714da8860b3e3ed6eac262/FLAG10ef5d7f7 [2023-05-20 13:10:19,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40316ffc4/9ef0083449714da8860b3e3ed6eac262 [2023-05-20 13:10:19,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 13:10:19,878 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 13:10:19,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 13:10:19,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 13:10:19,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 13:10:19,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 01:10:19" (1/1) ... [2023-05-20 13:10:19,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215f90a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:19, skipping insertion in model container [2023-05-20 13:10:19,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 01:10:19" (1/1) ... [2023-05-20 13:10:19,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 13:10:19,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 13:10:20,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_tso.i[945,958] [2023-05-20 13:10:20,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 13:10:20,163 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 13:10:20,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_tso.i[945,958] [2023-05-20 13:10:20,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 13:10:20,228 INFO L208 MainTranslator]: Completed translation [2023-05-20 13:10:20,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:20 WrapperNode [2023-05-20 13:10:20,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 13:10:20,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 13:10:20,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 13:10:20,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 13:10:20,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:20" (1/1) ... [2023-05-20 13:10:20,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:20" (1/1) ... [2023-05-20 13:10:20,278 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2023-05-20 13:10:20,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 13:10:20,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 13:10:20,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 13:10:20,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 13:10:20,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:20" (1/1) ... [2023-05-20 13:10:20,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:20" (1/1) ... [2023-05-20 13:10:20,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:20" (1/1) ... [2023-05-20 13:10:20,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:20" (1/1) ... [2023-05-20 13:10:20,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:20" (1/1) ... [2023-05-20 13:10:20,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:20" (1/1) ... [2023-05-20 13:10:20,306 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:20" (1/1) ... [2023-05-20 13:10:20,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:20" (1/1) ... [2023-05-20 13:10:20,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 13:10:20,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 13:10:20,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 13:10:20,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 13:10:20,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:20" (1/1) ... [2023-05-20 13:10:20,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 13:10:20,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:10:20,341 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 13:10:20,349 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 13:10:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 13:10:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 13:10:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 13:10:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 13:10:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 13:10:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-05-20 13:10:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-05-20 13:10:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-05-20 13:10:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-05-20 13:10:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-05-20 13:10:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-05-20 13:10:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 13:10:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 13:10:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 13:10:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 13:10:20,383 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 13:10:20,555 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 13:10:20,557 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 13:10:20,682 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 13:10:20,687 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 13:10:20,687 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-20 13:10:20,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 01:10:20 BoogieIcfgContainer [2023-05-20 13:10:20,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 13:10:20,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 13:10:20,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 13:10:20,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 13:10:20,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 01:10:19" (1/3) ... [2023-05-20 13:10:20,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbb9fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 01:10:20, skipping insertion in model container [2023-05-20 13:10:20,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 01:10:20" (2/3) ... [2023-05-20 13:10:20,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbb9fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 01:10:20, skipping insertion in model container [2023-05-20 13:10:20,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 01:10:20" (3/3) ... [2023-05-20 13:10:20,695 INFO L112 eAbstractionObserver]: Analyzing ICFG safe011_tso.i [2023-05-20 13:10:20,700 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 13:10:20,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 13:10:20,709 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 13:10:20,709 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 13:10:20,744 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 13:10:20,774 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 13:10:20,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 13:10:20,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 13:10:20,776 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 13:10:20,804 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 13:10:20,827 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 13:10:20,840 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 13:10:20,845 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;@3d1ce6a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 13:10:20,845 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 13:10:21,050 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)] === [2023-05-20 13:10:21,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:10:21,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1787106400, now seen corresponding path program 1 times [2023-05-20 13:10:21,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:10:21,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8507290] [2023-05-20 13:10:21,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:10:21,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:10:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:10:21,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 13:10:21,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:10:21,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8507290] [2023-05-20 13:10:21,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8507290] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:10:21,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:10:21,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 13:10:21,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164716002] [2023-05-20 13:10:21,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:10:21,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 13:10:21,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:10:21,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 13:10:21,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 13:10:21,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:10:21,879 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:10:21,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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 13:10:21,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:10:22,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:22,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 13:10:22,221 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)] === [2023-05-20 13:10:22,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:10:22,222 INFO L85 PathProgramCache]: Analyzing trace with hash -337247650, now seen corresponding path program 1 times [2023-05-20 13:10:22,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:10:22,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828745041] [2023-05-20 13:10:22,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:10:22,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:10:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:10:22,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 13:10:22,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:10:22,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828745041] [2023-05-20 13:10:22,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828745041] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:10:22,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:10:22,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 13:10:22,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813377466] [2023-05-20 13:10:22,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:10:22,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 13:10:22,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:10:22,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 13:10:22,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-20 13:10:22,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:10:22,572 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:10:22,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 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 13:10:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:10:23,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:23,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 13:10:23,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 13:10:23,116 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)] === [2023-05-20 13:10:23,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:10:23,117 INFO L85 PathProgramCache]: Analyzing trace with hash -78244063, now seen corresponding path program 1 times [2023-05-20 13:10:23,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:10:23,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805926292] [2023-05-20 13:10:23,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:10:23,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:10:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:10:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 13:10:23,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:10:23,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805926292] [2023-05-20 13:10:23,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805926292] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:10:23,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:10:23,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 13:10:23,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947582777] [2023-05-20 13:10:23,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:10:23,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 13:10:23,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:10:23,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 13:10:23,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 13:10:23,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:10:23,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:10:23,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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 13:10:23,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:23,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 13:10:23,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:10:23,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:23,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 13:10:23,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:23,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 13:10:23,492 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)] === [2023-05-20 13:10:23,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:10:23,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1422763540, now seen corresponding path program 2 times [2023-05-20 13:10:23,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:10:23,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007766436] [2023-05-20 13:10:23,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:10:23,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:10:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:10:23,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 13:10:23,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:10:23,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007766436] [2023-05-20 13:10:23,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007766436] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:10:23,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:10:23,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 13:10:23,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469983840] [2023-05-20 13:10:23,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:10:23,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 13:10:23,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:10:23,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 13:10:23,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 13:10:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:10:23,635 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:10:23,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 13:10:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 13:10:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:23,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:10:23,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:23,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 13:10:23,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:23,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 13:10:23,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 13:10:23,973 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)] === [2023-05-20 13:10:23,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 13:10:23,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1512644241, now seen corresponding path program 1 times [2023-05-20 13:10:23,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 13:10:23,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59836448] [2023-05-20 13:10:23,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 13:10:23,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 13:10:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 13:10:24,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 13:10:24,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 13:10:24,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59836448] [2023-05-20 13:10:24,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59836448] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 13:10:24,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 13:10:24,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 13:10:24,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690252452] [2023-05-20 13:10:24,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 13:10:24,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 13:10:24,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 13:10:24,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 13:10:24,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-20 13:10:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:10:24,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 13:10:24,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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 13:10:24,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:24,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 13:10:24,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:24,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 13:10:24,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 13:10:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 13:10:24,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 13:10:24,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 13:10:24,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 13:10:24,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-20 13:10:24,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-20 13:10:24,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-20 13:10:24,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-20 13:10:24,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 13:10:24,394 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-05-20 13:10:24,396 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 13:10:24,396 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 13:10:24,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 01:10:24 BasicIcfg [2023-05-20 13:10:24,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 13:10:24,403 INFO L158 Benchmark]: Toolchain (without parser) took 4521.50ms. Allocated memory was 191.9MB in the beginning and 290.5MB in the end (delta: 98.6MB). Free memory was 157.5MB in the beginning and 99.9MB in the end (delta: 57.5MB). Peak memory consumption was 155.9MB. Max. memory is 8.0GB. [2023-05-20 13:10:24,403 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 13:10:24,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.01ms. Allocated memory is still 191.9MB. Free memory was 157.3MB in the beginning and 151.2MB in the end (delta: 6.1MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. [2023-05-20 13:10:24,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.91ms. Allocated memory is still 191.9MB. Free memory was 151.0MB in the beginning and 149.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 13:10:24,404 INFO L158 Benchmark]: Boogie Preprocessor took 29.57ms. Allocated memory is still 191.9MB. Free memory was 149.0MB in the beginning and 147.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 13:10:24,404 INFO L158 Benchmark]: RCFGBuilder took 379.51ms. Allocated memory is still 191.9MB. Free memory was 147.5MB in the beginning and 134.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-05-20 13:10:24,404 INFO L158 Benchmark]: TraceAbstraction took 3708.29ms. Allocated memory was 191.9MB in the beginning and 290.5MB in the end (delta: 98.6MB). Free memory was 132.9MB in the beginning and 99.9MB in the end (delta: 32.9MB). Peak memory consumption was 131.7MB. Max. memory is 8.0GB. [2023-05-20 13:10:24,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 342.01ms. Allocated memory is still 191.9MB. Free memory was 157.3MB in the beginning and 151.2MB in the end (delta: 6.1MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.91ms. Allocated memory is still 191.9MB. Free memory was 151.0MB in the beginning and 149.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.57ms. Allocated memory is still 191.9MB. Free memory was 149.0MB in the beginning and 147.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 379.51ms. Allocated memory is still 191.9MB. Free memory was 147.5MB in the beginning and 134.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3708.29ms. Allocated memory was 191.9MB in the beginning and 290.5MB in the end (delta: 98.6MB). Free memory was 132.9MB in the beginning and 99.9MB in the end (delta: 32.9MB). Peak memory consumption was 131.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 45442, independent: 42689, independent conditional: 41227, independent unconditional: 1462, dependent: 2753, dependent conditional: 2730, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43016, independent: 42689, independent conditional: 41227, independent unconditional: 1462, dependent: 327, dependent conditional: 304, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 43016, independent: 42689, independent conditional: 41227, independent unconditional: 1462, dependent: 327, dependent conditional: 304, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44184, independent: 42689, independent conditional: 401, independent unconditional: 42288, dependent: 1495, dependent conditional: 767, dependent unconditional: 728, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 44184, independent: 42689, independent conditional: 401, independent unconditional: 42288, dependent: 1495, dependent conditional: 156, dependent unconditional: 1339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 44184, independent: 42689, independent conditional: 401, independent unconditional: 42288, dependent: 1495, dependent conditional: 156, dependent unconditional: 1339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1511, independent: 1481, independent conditional: 19, independent unconditional: 1462, dependent: 30, dependent conditional: 7, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1511, independent: 1454, independent conditional: 0, independent unconditional: 1454, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 30, dependent conditional: 7, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 30, dependent conditional: 7, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, independent: 103, independent conditional: 38, independent unconditional: 65, dependent: 62, dependent conditional: 11, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 44184, independent: 41208, independent conditional: 382, independent unconditional: 40826, dependent: 1465, dependent conditional: 149, dependent unconditional: 1316, unknown: 1511, unknown conditional: 26, unknown unconditional: 1485] , Statistics on independence cache: Total cache size (in pairs): 1511, Positive cache size: 1481, Positive conditional cache size: 19, Positive unconditional cache size: 1462, Negative cache size: 30, Negative conditional cache size: 7, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 611, Maximal queried relation: 5, Independence queries for same thread: 2426 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 3543, Number of trivial persistent sets: 2357, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1485, independent: 1462, independent conditional: 0, independent unconditional: 1462, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 45442, independent: 42689, independent conditional: 41227, independent unconditional: 1462, dependent: 2753, dependent conditional: 2730, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43016, independent: 42689, independent conditional: 41227, independent unconditional: 1462, dependent: 327, dependent conditional: 304, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 43016, independent: 42689, independent conditional: 41227, independent unconditional: 1462, dependent: 327, dependent conditional: 304, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44184, independent: 42689, independent conditional: 401, independent unconditional: 42288, dependent: 1495, dependent conditional: 767, dependent unconditional: 728, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 44184, independent: 42689, independent conditional: 401, independent unconditional: 42288, dependent: 1495, dependent conditional: 156, dependent unconditional: 1339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 44184, independent: 42689, independent conditional: 401, independent unconditional: 42288, dependent: 1495, dependent conditional: 156, dependent unconditional: 1339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1511, independent: 1481, independent conditional: 19, independent unconditional: 1462, dependent: 30, dependent conditional: 7, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1511, independent: 1454, independent conditional: 0, independent unconditional: 1454, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 30, dependent conditional: 7, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 27, independent conditional: 19, independent unconditional: 8, dependent: 30, dependent conditional: 7, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, independent: 103, independent conditional: 38, independent unconditional: 65, dependent: 62, dependent conditional: 11, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 44184, independent: 41208, independent conditional: 382, independent unconditional: 40826, dependent: 1465, dependent conditional: 149, dependent unconditional: 1316, unknown: 1511, unknown conditional: 26, unknown unconditional: 1485] , Statistics on independence cache: Total cache size (in pairs): 1511, Positive cache size: 1481, Positive conditional cache size: 19, Positive unconditional cache size: 1462, Negative cache size: 30, Negative conditional cache size: 7, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 611, Maximal queried relation: 5, Independence queries for same thread: 2426 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 114 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.9s, 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: 48, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 328 NumberOfCodeBlocks, 328 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 323 ConstructedInterpolants, 0 QuantifiedInterpolants, 949 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-05-20 13:10:24,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 13:10:24,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...