/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.partial.order.reduction.in.concurrent.analysis DPOR_SLEEP_NEW_STATES -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix023_power.opt_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 20:53:37,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 20:53:37,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 20:53:37,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-23 20:53:37,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 20:53:37,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 20:53:37,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 20:53:37,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 20:53:37,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 20:53:37,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 20:53:37,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 20:53:37,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 20:53:37,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 20:53:37,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 20:53:37,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 20:53:37,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 20:53:37,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-23 20:53:37,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 20:53:37,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 20:53:37,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 20:53:37,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 20:53:37,406 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 20:53:37,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 20:53:37,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 20:53:37,407 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 20:53:37,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 20:53:37,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 20:53:37,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 20:53:37,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 20:53:37,408 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 20:53:37,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 20:53:37,409 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 20:53:37,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 20:53:37,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 20:53:37,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 20:53:37,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 20:53:37,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 20:53:37,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 20:53:37,410 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 20:53:37,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 20:53:37,411 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 20:53:37,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 20:53:37,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 20:53:37,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 20:53:37,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 20:53:37,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 20:53:37,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 20:53:37,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 20:53:37,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 20:53:37,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 20:53:37,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 20:53:37,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 20:53:37,412 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 20:53:37,412 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 20:53:37,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 20:53:37,412 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 20:53:37,412 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 20:53:37,413 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> DPOR_SLEEP_NEW_STATES [2023-03-23 20:53:37,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 20:53:37,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 20:53:37,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 20:53:37,621 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 20:53:37,633 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 20:53:37,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_power.opt_pso.opt_rmo.opt.i [2023-03-23 20:53:38,670 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 20:53:38,845 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 20:53:38,846 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_power.opt_pso.opt_rmo.opt.i [2023-03-23 20:53:38,863 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4496a1d/89058d10c7774fcdb5353484905b7934/FLAG2177462f2 [2023-03-23 20:53:38,874 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4496a1d/89058d10c7774fcdb5353484905b7934 [2023-03-23 20:53:38,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 20:53:38,877 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 20:53:38,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 20:53:38,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 20:53:38,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 20:53:38,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 08:53:38" (1/1) ... [2023-03-23 20:53:38,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ba9b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:38, skipping insertion in model container [2023-03-23 20:53:38,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 08:53:38" (1/1) ... [2023-03-23 20:53:38,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 20:53:38,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 20:53:39,053 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_power.opt_pso.opt_rmo.opt.i[966,979] [2023-03-23 20:53:39,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 20:53:39,194 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 20:53:39,205 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_power.opt_pso.opt_rmo.opt.i[966,979] [2023-03-23 20:53:39,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 20:53:39,283 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 20:53:39,283 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 20:53:39,289 INFO L208 MainTranslator]: Completed translation [2023-03-23 20:53:39,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:39 WrapperNode [2023-03-23 20:53:39,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 20:53:39,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 20:53:39,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 20:53:39,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 20:53:39,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:39" (1/1) ... [2023-03-23 20:53:39,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:39" (1/1) ... [2023-03-23 20:53:39,330 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 145 [2023-03-23 20:53:39,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 20:53:39,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 20:53:39,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 20:53:39,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 20:53:39,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:39" (1/1) ... [2023-03-23 20:53:39,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:39" (1/1) ... [2023-03-23 20:53:39,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:39" (1/1) ... [2023-03-23 20:53:39,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:39" (1/1) ... [2023-03-23 20:53:39,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:39" (1/1) ... [2023-03-23 20:53:39,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:39" (1/1) ... [2023-03-23 20:53:39,350 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:39" (1/1) ... [2023-03-23 20:53:39,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:39" (1/1) ... [2023-03-23 20:53:39,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 20:53:39,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 20:53:39,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 20:53:39,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 20:53:39,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:39" (1/1) ... [2023-03-23 20:53:39,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 20:53:39,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:53:39,382 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) [2023-03-23 20:53:39,383 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 [2023-03-23 20:53:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 20:53:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 20:53:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 20:53:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 20:53:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 20:53:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-03-23 20:53:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-03-23 20:53:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-03-23 20:53:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-03-23 20:53:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-03-23 20:53:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-03-23 20:53:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-03-23 20:53:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-03-23 20:53:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 20:53:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 20:53:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 20:53:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 20:53:39,419 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 20:53:39,588 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 20:53:39,590 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 20:53:39,881 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 20:53:39,976 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 20:53:39,977 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-23 20:53:39,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 08:53:39 BoogieIcfgContainer [2023-03-23 20:53:39,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 20:53:39,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 20:53:39,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 20:53:39,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 20:53:39,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 08:53:38" (1/3) ... [2023-03-23 20:53:39,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43067c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 08:53:39, skipping insertion in model container [2023-03-23 20:53:39,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 08:53:39" (2/3) ... [2023-03-23 20:53:39,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43067c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 08:53:39, skipping insertion in model container [2023-03-23 20:53:39,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 08:53:39" (3/3) ... [2023-03-23 20:53:39,990 INFO L112 eAbstractionObserver]: Analyzing ICFG mix023_power.opt_pso.opt_rmo.opt.i [2023-03-23 20:53:39,995 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 20:53:40,002 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 20:53:40,003 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-03-23 20:53:40,003 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 20:53:40,092 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-03-23 20:53:40,127 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 20:53:40,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 20:53:40,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:53:40,128 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) [2023-03-23 20:53:40,129 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 [2023-03-23 20:53:40,169 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 20:53:40,179 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork1 ======== [2023-03-23 20:53:40,187 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;@2f4a3b01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 20:53:40,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-23 20:53:40,500 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-23 20:53:40,506 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:53:40,506 INFO L85 PathProgramCache]: Analyzing trace with hash -622809349, now seen corresponding path program 1 times [2023-03-23 20:53:40,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:53:40,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660293529] [2023-03-23 20:53:40,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:53:40,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:53:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:53:41,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 20:53:41,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:53:41,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660293529] [2023-03-23 20:53:41,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660293529] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:53:41,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:53:41,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 20:53:41,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368860231] [2023-03-23 20:53:41,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:53:41,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-23 20:53:41,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:53:41,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-23 20:53:41,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-23 20:53:41,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:53:41,230 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:53:41,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 37.0) internal successors, (74), 3 states have internal predecessors, (74), 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) [2023-03-23 20:53:41,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:53:41,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-23 20:53:41,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-23 20:53:41,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 20:53:41,667 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-03-23 20:53:41,668 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork1 was SAFE (1/2) [2023-03-23 20:53:41,679 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 20:53:41,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 20:53:41,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 20:53:41,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-03-23 20:53:41,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-03-23 20:53:41,695 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 20:53:41,696 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-03-23 20:53:41,696 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;@2f4a3b01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 20:53:41,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-03-23 20:53:41,743 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 20:53:41,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:53:41,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1021187156, now seen corresponding path program 1 times [2023-03-23 20:53:41,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:53:41,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636296427] [2023-03-23 20:53:41,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:53:41,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:53:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:53:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 20:53:41,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:53:41,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636296427] [2023-03-23 20:53:41,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636296427] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:53:41,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:53:41,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 20:53:41,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35775596] [2023-03-23 20:53:41,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:53:41,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 20:53:41,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:53:41,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 20:53:41,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 20:53:41,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:53:41,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:53:41,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 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) [2023-03-23 20:53:41,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:53:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:53:41,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 20:53:41,887 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 20:53:41,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 20:53:41,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1057074178, now seen corresponding path program 1 times [2023-03-23 20:53:41,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 20:53:41,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35490148] [2023-03-23 20:53:41,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 20:53:41,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 20:53:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 20:53:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 20:53:42,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 20:53:42,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35490148] [2023-03-23 20:53:42,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35490148] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 20:53:42,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 20:53:42,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-23 20:53:42,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383494407] [2023-03-23 20:53:42,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 20:53:42,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-23 20:53:42,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 20:53:42,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-23 20:53:42,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-23 20:53:42,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:53:42,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 20:53:42,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 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) [2023-03-23 20:53:42,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:53:42,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:53:42,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 20:53:42,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-23 20:53:42,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-03-23 20:53:42,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-03-23 20:53:42,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-03-23 20:53:42,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-03-23 20:53:42,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-03-23 20:53:42,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-23 20:53:42,313 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-03-23 20:53:42,314 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (2/2) [2023-03-23 20:53:42,315 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 20:53:42,315 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 20:53:42,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 08:53:42 BasicIcfg [2023-03-23 20:53:42,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 20:53:42,323 INFO L158 Benchmark]: Toolchain (without parser) took 3443.91ms. Allocated memory was 169.9MB in the beginning and 255.9MB in the end (delta: 86.0MB). Free memory was 121.5MB in the beginning and 157.0MB in the end (delta: -35.5MB). Peak memory consumption was 52.1MB. Max. memory is 8.0GB. [2023-03-23 20:53:42,324 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 20:53:42,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.48ms. Allocated memory is still 169.9MB. Free memory was 121.5MB in the beginning and 98.0MB in the end (delta: 23.4MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-03-23 20:53:42,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.22ms. Allocated memory is still 169.9MB. Free memory was 98.0MB in the beginning and 95.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 20:53:42,325 INFO L158 Benchmark]: Boogie Preprocessor took 23.41ms. Allocated memory is still 169.9MB. Free memory was 95.6MB in the beginning and 93.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 20:53:42,326 INFO L158 Benchmark]: RCFGBuilder took 623.88ms. Allocated memory was 169.9MB in the beginning and 255.9MB in the end (delta: 86.0MB). Free memory was 93.5MB in the beginning and 202.1MB in the end (delta: -108.5MB). Peak memory consumption was 24.8MB. Max. memory is 8.0GB. [2023-03-23 20:53:42,326 INFO L158 Benchmark]: TraceAbstraction took 2335.34ms. Allocated memory is still 255.9MB. Free memory was 201.5MB in the beginning and 157.0MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2023-03-23 20:53:42,327 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 169.9MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 411.48ms. Allocated memory is still 169.9MB. Free memory was 121.5MB in the beginning and 98.0MB in the end (delta: 23.4MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.22ms. Allocated memory is still 169.9MB. Free memory was 98.0MB in the beginning and 95.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.41ms. Allocated memory is still 169.9MB. Free memory was 95.6MB in the beginning and 93.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 623.88ms. Allocated memory was 169.9MB in the beginning and 255.9MB in the end (delta: 86.0MB). Free memory was 93.5MB in the beginning and 202.1MB in the end (delta: -108.5MB). Peak memory consumption was 24.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2335.34ms. Allocated memory is still 255.9MB. Free memory was 201.5MB in the beginning and 157.0MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20206, independent: 8093, independent conditional: 440, independent unconditional: 7653, dependent: 12113, dependent conditional: 2, dependent unconditional: 12111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8286, independent: 8093, independent conditional: 440, independent unconditional: 7653, dependent: 193, dependent conditional: 2, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8286, independent: 8093, independent conditional: 440, independent unconditional: 7653, dependent: 193, dependent conditional: 2, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8294, independent: 8093, independent conditional: 6, independent unconditional: 8087, dependent: 201, dependent conditional: 2, dependent unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8294, independent: 8093, independent conditional: 6, independent unconditional: 8087, dependent: 201, dependent conditional: 0, dependent unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8294, independent: 8093, independent conditional: 6, independent unconditional: 8087, dependent: 201, dependent conditional: 0, dependent unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1063, independent: 1036, independent conditional: 1, independent unconditional: 1035, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1063, independent: 1026, independent conditional: 0, independent unconditional: 1026, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 37, independent: 10, independent conditional: 1, independent unconditional: 9, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, independent: 10, independent conditional: 1, independent unconditional: 9, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, independent: 76, independent conditional: 12, independent unconditional: 63, dependent: 147, dependent conditional: 0, dependent unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8294, independent: 7057, independent conditional: 5, independent unconditional: 7052, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 1063, unknown conditional: 1, unknown unconditional: 1062] , Statistics on independence cache: Total cache size (in pairs): 1063, Positive cache size: 1036, Positive conditional cache size: 1, Positive unconditional cache size: 1035, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 11920 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11728, independent: 1711, independent conditional: 811, independent unconditional: 900, dependent: 10017, dependent conditional: 6, dependent unconditional: 10011, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1711, independent: 1711, independent conditional: 811, independent unconditional: 900, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1711, independent: 1711, independent conditional: 811, independent unconditional: 900, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1711, independent: 1711, independent conditional: 0, independent unconditional: 1711, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1711, independent: 1711, independent conditional: 0, independent unconditional: 1711, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1711, independent: 1711, independent conditional: 0, independent unconditional: 1711, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 473, independent: 473, independent conditional: 0, independent unconditional: 473, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 473, independent: 469, independent conditional: 0, independent unconditional: 469, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1711, independent: 1238, independent conditional: 0, independent unconditional: 1238, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 473, unknown conditional: 0, unknown unconditional: 473] , Statistics on independence cache: Total cache size (in pairs): 473, Positive cache size: 473, Positive conditional cache size: 0, Positive unconditional cache size: 473, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 10017 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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: P2Thread1of1ForFork1 with 1 thread instances CFG has 9 procedures, 166 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, 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: 3, 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, 0.5s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 166 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, 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: 8, 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, 0.2s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 161 ConstructedInterpolants, 0 QuantifiedInterpolants, 1207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-03-23 20:53:42,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2023-03-23 20:53:42,545 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 [2023-03-23 20:53:42,745 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...