/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-15 22:37:05,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 22:37:05,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 22:37:05,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 22:37:05,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 22:37:05,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 22:37:05,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 22:37:05,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 22:37:05,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 22:37:05,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 22:37:05,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 22:37:05,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 22:37:05,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 22:37:05,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 22:37:05,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 22:37:05,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 22:37:05,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 22:37:05,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 22:37:05,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 22:37:05,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 22:37:05,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 22:37:05,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 22:37:05,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 22:37:05,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 22:37:05,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-15 22:37:05,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 22:37:05,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 22:37:05,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 22:37:06,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 22:37:06,021 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 22:37:06,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 22:37:06,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 22:37:06,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 22:37:06,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 22:37:06,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 22:37:06,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 22:37:06,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 22:37:06,023 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 22:37:06,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 22:37:06,024 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 22:37:06,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 22:37:06,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 22:37:06,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 22:37:06,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 22:37:06,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 22:37:06,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 22:37:06,024 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 22:37:06,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 22:37:06,024 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 22:37:06,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 22:37:06,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 22:37:06,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 22:37:06,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 22:37:06,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 22:37:06,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:37:06,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 22:37:06,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 22:37:06,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 22:37:06,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 22:37:06,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 22:37:06,027 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 22:37:06,027 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 22:37:06,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 22:37:06,027 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 22:37:06,027 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 22:37:06,027 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-15 22:37:06,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 22:37:06,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 22:37:06,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 22:37:06,211 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 22:37:06,212 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 22:37:06,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-15 22:37:06,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aa2bdb87/d7d60a95be0849a3869fb8e9d3ef34dc/FLAGdbc7a8e10 [2022-11-15 22:37:06,693 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 22:37:06,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-15 22:37:06,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aa2bdb87/d7d60a95be0849a3869fb8e9d3ef34dc/FLAGdbc7a8e10 [2022-11-15 22:37:06,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aa2bdb87/d7d60a95be0849a3869fb8e9d3ef34dc [2022-11-15 22:37:06,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 22:37:06,723 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 22:37:06,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 22:37:06,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 22:37:06,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 22:37:06,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:37:06" (1/1) ... [2022-11-15 22:37:06,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f12cdeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:06, skipping insertion in model container [2022-11-15 22:37:06,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:37:06" (1/1) ... [2022-11-15 22:37:06,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 22:37:06,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 22:37:06,918 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-11-15 22:37:07,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:37:07,074 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 22:37:07,084 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-11-15 22:37:07,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:37:07,143 INFO L208 MainTranslator]: Completed translation [2022-11-15 22:37:07,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:07 WrapperNode [2022-11-15 22:37:07,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 22:37:07,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 22:37:07,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 22:37:07,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 22:37:07,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:07" (1/1) ... [2022-11-15 22:37:07,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:07" (1/1) ... [2022-11-15 22:37:07,193 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-11-15 22:37:07,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 22:37:07,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 22:37:07,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 22:37:07,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 22:37:07,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:07" (1/1) ... [2022-11-15 22:37:07,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:07" (1/1) ... [2022-11-15 22:37:07,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:07" (1/1) ... [2022-11-15 22:37:07,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:07" (1/1) ... [2022-11-15 22:37:07,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:07" (1/1) ... [2022-11-15 22:37:07,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:07" (1/1) ... [2022-11-15 22:37:07,219 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:07" (1/1) ... [2022-11-15 22:37:07,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:07" (1/1) ... [2022-11-15 22:37:07,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 22:37:07,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 22:37:07,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 22:37:07,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 22:37:07,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:07" (1/1) ... [2022-11-15 22:37:07,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:37:07,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:37:07,269 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) [2022-11-15 22:37:07,283 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 [2022-11-15 22:37:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 22:37:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 22:37:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 22:37:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 22:37:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 22:37:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-15 22:37:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-15 22:37:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-15 22:37:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-15 22:37:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-15 22:37:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-15 22:37:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 22:37:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 22:37:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 22:37:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 22:37:07,305 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 22:37:07,428 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 22:37:07,430 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 22:37:07,557 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 22:37:07,564 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 22:37:07,564 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-15 22:37:07,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:37:07 BoogieIcfgContainer [2022-11-15 22:37:07,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 22:37:07,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 22:37:07,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 22:37:07,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 22:37:07,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:37:06" (1/3) ... [2022-11-15 22:37:07,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d388808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:37:07, skipping insertion in model container [2022-11-15 22:37:07,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:37:07" (2/3) ... [2022-11-15 22:37:07,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d388808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:37:07, skipping insertion in model container [2022-11-15 22:37:07,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:37:07" (3/3) ... [2022-11-15 22:37:07,572 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-15 22:37:07,577 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 22:37:07,592 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 22:37:07,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-15 22:37:07,592 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 22:37:07,631 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-15 22:37:07,661 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:37:07,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 22:37:07,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:37:07,681 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) [2022-11-15 22:37:07,682 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 [2022-11-15 22:37:07,724 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 22:37:07,742 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 22:37:07,755 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;@20df6d6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:37:07,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-15 22:37:07,978 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)] === [2022-11-15 22:37:07,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:37:07,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1239672288, now seen corresponding path program 1 times [2022-11-15 22:37:07,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:37:07,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722649747] [2022-11-15 22:37:07,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:37:07,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:37:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:37:08,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:37:08,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:37:08,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722649747] [2022-11-15 22:37:08,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722649747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:37:08,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:37:08,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 22:37:08,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800403562] [2022-11-15 22:37:08,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:37:08,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 22:37:08,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:37:08,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 22:37:08,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 22:37:08,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:08,254 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:37:08,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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) [2022-11-15 22:37:08,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:08,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:08,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 22:37:08,270 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)] === [2022-11-15 22:37:08,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:37:08,271 INFO L85 PathProgramCache]: Analyzing trace with hash -2110701974, now seen corresponding path program 1 times [2022-11-15 22:37:08,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:37:08,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207699787] [2022-11-15 22:37:08,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:37:08,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:37:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:37:08,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:37:08,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:37:08,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207699787] [2022-11-15 22:37:08,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207699787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:37:08,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:37:08,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 22:37:08,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167252920] [2022-11-15 22:37:08,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:37:08,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 22:37:08,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:37:08,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 22:37:08,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 22:37:08,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:08,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:37:08,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2022-11-15 22:37:08,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:08,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:08,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 22:37:08,712 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)] === [2022-11-15 22:37:08,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:37:08,713 INFO L85 PathProgramCache]: Analyzing trace with hash 227719177, now seen corresponding path program 1 times [2022-11-15 22:37:08,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:37:08,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337802558] [2022-11-15 22:37:08,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:37:08,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:37:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:37:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:37:08,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:37:08,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337802558] [2022-11-15 22:37:08,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337802558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:37:08,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:37:08,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 22:37:08,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363161717] [2022-11-15 22:37:08,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:37:08,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 22:37:08,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:37:08,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 22:37:08,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 22:37:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:08,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:37:08,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2022-11-15 22:37:08,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:08,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:08,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:08,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:08,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:08,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:08,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 22:37:08,974 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)] === [2022-11-15 22:37:08,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:37:08,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1031193802, now seen corresponding path program 1 times [2022-11-15 22:37:08,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:37:08,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024065805] [2022-11-15 22:37:08,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:37:08,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:37:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:37:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:37:09,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:37:09,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024065805] [2022-11-15 22:37:09,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024065805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:37:09,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:37:09,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 22:37:09,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777822444] [2022-11-15 22:37:09,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:37:09,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 22:37:09,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:37:09,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 22:37:09,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 22:37:09,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:09,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:37:09,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2022-11-15 22:37:09,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:09,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:09,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:09,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:09,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:09,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:09,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:37:09,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 22:37:09,204 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)] === [2022-11-15 22:37:09,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:37:09,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1455591990, now seen corresponding path program 2 times [2022-11-15 22:37:09,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:37:09,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565531949] [2022-11-15 22:37:09,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:37:09,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:37:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:37:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:37:09,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:37:09,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565531949] [2022-11-15 22:37:09,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565531949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:37:09,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:37:09,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-15 22:37:09,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072524515] [2022-11-15 22:37:09,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:37:09,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-15 22:37:09,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:37:09,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-15 22:37:09,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-15 22:37:09,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:09,447 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:37:09,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2022-11-15 22:37:09,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:09,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:09,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:09,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:37:09,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:37:09,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:37:09,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-15 22:37:09,635 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)] === [2022-11-15 22:37:09,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:37:09,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1463200477, now seen corresponding path program 1 times [2022-11-15 22:37:09,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:37:09,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730405594] [2022-11-15 22:37:09,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:37:09,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:37:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:37:09,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:37:09,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:37:09,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730405594] [2022-11-15 22:37:09,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730405594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:37:09,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:37:09,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 22:37:09,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795087689] [2022-11-15 22:37:09,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:37:09,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 22:37:09,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:37:09,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 22:37:09,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-15 22:37:09,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:09,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:37:09,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 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) [2022-11-15 22:37:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:37:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:37:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:09,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:09,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:09,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:09,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:37:09,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:37:09,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 22:37:09,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-15 22:37:09,878 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)] === [2022-11-15 22:37:09,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:37:09,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1999820451, now seen corresponding path program 2 times [2022-11-15 22:37:09,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:37:09,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434514231] [2022-11-15 22:37:09,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:37:09,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:37:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:37:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:37:10,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:37:10,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434514231] [2022-11-15 22:37:10,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434514231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:37:10,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:37:10,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 22:37:10,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23023741] [2022-11-15 22:37:10,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:37:10,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 22:37:10,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:37:10,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 22:37:10,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-15 22:37:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:10,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:37:10,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 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) [2022-11-15 22:37:10,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:10,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:10,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:10,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:37:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:37:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 22:37:10,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:10,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:37:10,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:10,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 22:37:10,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:37:10,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:37:10,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 22:37:10,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 22:37:10,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-11-15 22:37:10,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-11-15 22:37:10,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-11-15 22:37:10,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-11-15 22:37:10,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-15 22:37:10,206 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2022-11-15 22:37:10,208 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 22:37:10,208 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 22:37:10,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:37:10 BasicIcfg [2022-11-15 22:37:10,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 22:37:10,210 INFO L158 Benchmark]: Toolchain (without parser) took 3487.33ms. Allocated memory was 226.5MB in the beginning and 323.0MB in the end (delta: 96.5MB). Free memory was 171.8MB in the beginning and 275.0MB in the end (delta: -103.2MB). Peak memory consumption was 158.4MB. Max. memory is 8.0GB. [2022-11-15 22:37:10,210 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 226.5MB. Free memory is still 189.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 22:37:10,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.94ms. Allocated memory is still 226.5MB. Free memory was 171.6MB in the beginning and 191.2MB in the end (delta: -19.5MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2022-11-15 22:37:10,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.50ms. Allocated memory is still 226.5MB. Free memory was 191.2MB in the beginning and 189.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 22:37:10,211 INFO L158 Benchmark]: Boogie Preprocessor took 26.49ms. Allocated memory is still 226.5MB. Free memory was 189.1MB in the beginning and 187.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 22:37:10,211 INFO L158 Benchmark]: RCFGBuilder took 344.57ms. Allocated memory is still 226.5MB. Free memory was 187.6MB in the beginning and 174.0MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-11-15 22:37:10,211 INFO L158 Benchmark]: TraceAbstraction took 2642.56ms. Allocated memory was 226.5MB in the beginning and 323.0MB in the end (delta: 96.5MB). Free memory was 173.3MB in the beginning and 275.0MB in the end (delta: -101.7MB). Peak memory consumption was 159.9MB. Max. memory is 8.0GB. [2022-11-15 22:37:10,212 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 226.5MB. Free memory is still 189.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 419.94ms. Allocated memory is still 226.5MB. Free memory was 171.6MB in the beginning and 191.2MB in the end (delta: -19.5MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.50ms. Allocated memory is still 226.5MB. Free memory was 191.2MB in the beginning and 189.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.49ms. Allocated memory is still 226.5MB. Free memory was 189.1MB in the beginning and 187.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 344.57ms. Allocated memory is still 226.5MB. Free memory was 187.6MB in the beginning and 174.0MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2642.56ms. Allocated memory was 226.5MB in the beginning and 323.0MB in the end (delta: 96.5MB). Free memory was 173.3MB in the beginning and 275.0MB in the end (delta: -101.7MB). Peak memory consumption was 159.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11045, independent: 10756, independent conditional: 9528, independent unconditional: 1228, dependent: 289, dependent conditional: 267, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10935, independent: 10756, independent conditional: 9528, independent unconditional: 1228, dependent: 179, dependent conditional: 157, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10935, independent: 10756, independent conditional: 9528, independent unconditional: 1228, dependent: 179, dependent conditional: 157, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11937, independent: 10756, independent conditional: 271, independent unconditional: 10485, dependent: 1181, dependent conditional: 731, dependent unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11937, independent: 10756, independent conditional: 271, independent unconditional: 10485, dependent: 1181, dependent conditional: 119, dependent unconditional: 1062, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11937, independent: 10756, independent conditional: 271, independent unconditional: 10485, dependent: 1181, dependent conditional: 119, dependent unconditional: 1062, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1266, independent: 1237, independent conditional: 9, independent unconditional: 1228, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1266, independent: 1220, independent conditional: 0, independent unconditional: 1220, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 17, independent conditional: 9, independent unconditional: 8, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 17, independent conditional: 9, independent unconditional: 8, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 160, independent: 82, independent conditional: 12, independent unconditional: 71, dependent: 78, dependent conditional: 11, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11937, independent: 9519, independent conditional: 262, independent unconditional: 9257, dependent: 1152, dependent conditional: 112, dependent unconditional: 1040, unknown: 1266, unknown conditional: 16, unknown unconditional: 1250] , Statistics on independence cache: Total cache size (in pairs): 1266, Positive cache size: 1237, Positive conditional cache size: 9, Positive unconditional cache size: 1228, Negative cache size: 29, Negative conditional cache size: 7, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 612, Maximal queried relation: 5, Independence queries for same thread: 110 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 419, Number of trivial persistent sets: 206, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1250, independent: 1228, independent conditional: 0, independent unconditional: 1228, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11045, independent: 10756, independent conditional: 9528, independent unconditional: 1228, dependent: 289, dependent conditional: 267, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10935, independent: 10756, independent conditional: 9528, independent unconditional: 1228, dependent: 179, dependent conditional: 157, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10935, independent: 10756, independent conditional: 9528, independent unconditional: 1228, dependent: 179, dependent conditional: 157, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11937, independent: 10756, independent conditional: 271, independent unconditional: 10485, dependent: 1181, dependent conditional: 731, dependent unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11937, independent: 10756, independent conditional: 271, independent unconditional: 10485, dependent: 1181, dependent conditional: 119, dependent unconditional: 1062, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11937, independent: 10756, independent conditional: 271, independent unconditional: 10485, dependent: 1181, dependent conditional: 119, dependent unconditional: 1062, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1266, independent: 1237, independent conditional: 9, independent unconditional: 1228, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1266, independent: 1220, independent conditional: 0, independent unconditional: 1220, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 46, independent: 17, independent conditional: 9, independent unconditional: 8, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 17, independent conditional: 9, independent unconditional: 8, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 160, independent: 82, independent conditional: 12, independent unconditional: 71, dependent: 78, dependent conditional: 11, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11937, independent: 9519, independent conditional: 262, independent unconditional: 9257, dependent: 1152, dependent conditional: 112, dependent unconditional: 1040, unknown: 1266, unknown conditional: 16, unknown unconditional: 1250] , Statistics on independence cache: Total cache size (in pairs): 1266, Positive cache size: 1237, Positive conditional cache size: 9, Positive unconditional cache size: 1228, Negative cache size: 29, Negative conditional cache size: 7, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 612, Maximal queried relation: 5, Independence queries for same thread: 110 - 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, 112 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.0s, 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: 46, 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, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 437 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 1414 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2022-11-15 22:37:10,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-15 22:37:10,427 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...