./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cfc87f4ca115dcc389a4b05cbc106fd8bac1a9e17a58d50108d65580024dc2f5 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-19 07:56:36,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 07:56:36,400 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 07:56:36,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 07:56:36,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 07:56:36,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 07:56:36,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 07:56:36,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 07:56:36,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 07:56:36,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 07:56:36,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 07:56:36,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 07:56:36,431 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 07:56:36,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 07:56:36,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 07:56:36,433 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 07:56:36,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 07:56:36,436 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 07:56:36,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 07:56:36,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 07:56:36,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 07:56:36,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 07:56:36,438 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 07:56:36,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 07:56:36,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 07:56:36,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 07:56:36,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 07:56:36,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 07:56:36,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 07:56:36,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 07:56:36,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 07:56:36,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 07:56:36,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 07:56:36,441 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 07:56:36,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 07:56:36,442 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 07:56:36,442 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 07:56:36,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 07:56:36,442 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 07:56:36,443 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 07:56:36,443 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 07:56:36,443 INFO L153 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/UGemCutter-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.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfc87f4ca115dcc389a4b05cbc106fd8bac1a9e17a58d50108d65580024dc2f5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-19 07:56:36,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 07:56:36,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 07:56:36,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 07:56:36,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 07:56:36,670 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 07:56:36,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.i [2024-10-19 07:56:37,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 07:56:38,163 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 07:56:38,164 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.i [2024-10-19 07:56:38,178 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c9c55b092/bbc18d2fde5142829e39e158e5f350a4/FLAG6a42524ab [2024-10-19 07:56:38,491 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c9c55b092/bbc18d2fde5142829e39e158e5f350a4 [2024-10-19 07:56:38,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 07:56:38,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 07:56:38,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 07:56:38,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 07:56:38,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 07:56:38,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:56:38" (1/1) ... [2024-10-19 07:56:38,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@745ae94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38, skipping insertion in model container [2024-10-19 07:56:38,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:56:38" (1/1) ... [2024-10-19 07:56:38,553 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 07:56:38,761 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/safe022_tso.i[945,958] [2024-10-19 07:56:38,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 07:56:38,871 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 07:56:38,881 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/safe022_tso.i[945,958] [2024-10-19 07:56:38,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 07:56:38,992 INFO L204 MainTranslator]: Completed translation [2024-10-19 07:56:38,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38 WrapperNode [2024-10-19 07:56:38,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 07:56:38,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 07:56:38,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 07:56:38,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 07:56:38,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38" (1/1) ... [2024-10-19 07:56:39,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38" (1/1) ... [2024-10-19 07:56:39,031 INFO L138 Inliner]: procedures = 174, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2024-10-19 07:56:39,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 07:56:39,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 07:56:39,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 07:56:39,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 07:56:39,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38" (1/1) ... [2024-10-19 07:56:39,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38" (1/1) ... [2024-10-19 07:56:39,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38" (1/1) ... [2024-10-19 07:56:39,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38" (1/1) ... [2024-10-19 07:56:39,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38" (1/1) ... [2024-10-19 07:56:39,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38" (1/1) ... [2024-10-19 07:56:39,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38" (1/1) ... [2024-10-19 07:56:39,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38" (1/1) ... [2024-10-19 07:56:39,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 07:56:39,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 07:56:39,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 07:56:39,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 07:56:39,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38" (1/1) ... [2024-10-19 07:56:39,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 07:56:39,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 07:56:39,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-19 07:56:39,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-19 07:56:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 07:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 07:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-19 07:56:39,129 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-19 07:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-19 07:56:39,129 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-19 07:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 07:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 07:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 07:56:39,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 07:56:39,131 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-19 07:56:39,218 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 07:56:39,220 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 07:56:39,310 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 07:56:39,310 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 07:56:39,369 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 07:56:39,369 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-19 07:56:39,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:56:39 BoogieIcfgContainer [2024-10-19 07:56:39,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 07:56:39,372 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 07:56:39,372 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 07:56:39,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 07:56:39,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 07:56:38" (1/3) ... [2024-10-19 07:56:39,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcae15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 07:56:39, skipping insertion in model container [2024-10-19 07:56:39,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:56:38" (2/3) ... [2024-10-19 07:56:39,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcae15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 07:56:39, skipping insertion in model container [2024-10-19 07:56:39,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:56:39" (3/3) ... [2024-10-19 07:56:39,376 INFO L112 eAbstractionObserver]: Analyzing ICFG safe022_tso.i [2024-10-19 07:56:39,388 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 07:56:39,388 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-19 07:56:39,389 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 07:56:39,412 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-19 07:56:39,443 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 07:56:39,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 07:56:39,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 07:56:39,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-19 07:56:39,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-19 07:56:39,511 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 07:56:39,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 07:56:39,525 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 07:56:39,530 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3b287781, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-19 07:56:39,530 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-19 07:56:39,830 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 07:56:39,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 07:56:39,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1567056521, now seen corresponding path program 1 times [2024-10-19 07:56:39,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 07:56:39,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789750748] [2024-10-19 07:56:39,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 07:56:39,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 07:56:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 07:56:40,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 07:56:40,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 07:56:40,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789750748] [2024-10-19 07:56:40,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789750748] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 07:56:40,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 07:56:40,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-19 07:56:40,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911546963] [2024-10-19 07:56:40,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 07:56:40,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-19 07:56:40,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 07:56:40,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 07:56:40,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-19 07:56:40,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 07:56:40,312 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 07:56:40,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-19 07:56:40,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 07:56:40,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-19 07:56:40,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-19 07:56:40,476 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 07:56:40,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 07:56:40,477 INFO L85 PathProgramCache]: Analyzing trace with hash -871978639, now seen corresponding path program 1 times [2024-10-19 07:56:40,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 07:56:40,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155906450] [2024-10-19 07:56:40,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 07:56:40,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 07:56:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 07:56:40,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 07:56:40,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 07:56:40,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155906450] [2024-10-19 07:56:40,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155906450] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 07:56:40,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 07:56:40,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 07:56:40,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672638326] [2024-10-19 07:56:40,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 07:56:40,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-19 07:56:40,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 07:56:40,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-19 07:56:40,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-19 07:56:40,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 07:56:40,672 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 07:56:40,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 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) [2024-10-19 07:56:40,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-19 07:56:40,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 07:56:41,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-19 07:56:41,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 07:56:41,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-19 07:56:41,177 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-19 07:56:41,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 07:56:41,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1433892161, now seen corresponding path program 2 times [2024-10-19 07:56:41,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 07:56:41,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050199426] [2024-10-19 07:56:41,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 07:56:41,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 07:56:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 07:56:41,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-19 07:56:41,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 07:56:41,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050199426] [2024-10-19 07:56:41,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050199426] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 07:56:41,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 07:56:41,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 07:56:41,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423258132] [2024-10-19 07:56:41,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 07:56:41,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 07:56:41,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 07:56:41,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 07:56:41,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-19 07:56:41,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 07:56:41,311 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 07:56:41,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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) [2024-10-19 07:56:41,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-19 07:56:41,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 07:56:41,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 07:56:41,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-19 07:56:41,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 07:56:41,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-19 07:56:41,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-19 07:56:41,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-10-19 07:56:41,854 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-10-19 07:56:41,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-19 07:56:41,861 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1] [2024-10-19 07:56:41,863 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-19 07:56:41,863 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-19 07:56:41,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 07:56:41 BasicIcfg [2024-10-19 07:56:41,866 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-19 07:56:41,866 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-19 07:56:41,866 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-19 07:56:41,866 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-19 07:56:41,867 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:56:39" (3/4) ... [2024-10-19 07:56:41,868 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-19 07:56:41,870 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-19 07:56:41,871 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-19 07:56:41,873 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-10-19 07:56:41,873 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-19 07:56:41,874 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-19 07:56:41,874 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-19 07:56:41,952 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-19 07:56:41,952 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-19 07:56:41,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-19 07:56:41,953 INFO L158 Benchmark]: Toolchain (without parser) took 3454.67ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 87.4MB in the beginning and 145.1MB in the end (delta: -57.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-19 07:56:41,953 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory was 109.5MB in the beginning and 109.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-19 07:56:41,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.63ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 87.2MB in the beginning and 170.2MB in the end (delta: -83.0MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-10-19 07:56:41,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.25ms. Allocated memory is still 205.5MB. Free memory was 170.2MB in the beginning and 168.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-19 07:56:41,954 INFO L158 Benchmark]: Boogie Preprocessor took 26.52ms. Allocated memory is still 205.5MB. Free memory was 168.1MB in the beginning and 167.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-19 07:56:41,954 INFO L158 Benchmark]: RCFGBuilder took 309.36ms. Allocated memory is still 205.5MB. Free memory was 167.1MB in the beginning and 148.2MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-19 07:56:41,954 INFO L158 Benchmark]: TraceAbstraction took 2494.07ms. Allocated memory is still 205.5MB. Free memory was 147.1MB in the beginning and 149.3MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-19 07:56:41,954 INFO L158 Benchmark]: Witness Printer took 86.17ms. Allocated memory is still 205.5MB. Free memory was 149.3MB in the beginning and 145.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-19 07:56:41,955 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 159.4MB. Free memory was 109.5MB in the beginning and 109.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.63ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 87.2MB in the beginning and 170.2MB in the end (delta: -83.0MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.25ms. Allocated memory is still 205.5MB. Free memory was 170.2MB in the beginning and 168.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.52ms. Allocated memory is still 205.5MB. Free memory was 168.1MB in the beginning and 167.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.36ms. Allocated memory is still 205.5MB. Free memory was 167.1MB in the beginning and 148.2MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2494.07ms. Allocated memory is still 205.5MB. Free memory was 147.1MB in the beginning and 149.3MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.17ms. Allocated memory is still 205.5MB. Free memory was 149.3MB in the beginning and 145.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1387, independent: 1334, independent conditional: 1000, independent unconditional: 334, dependent: 53, dependent conditional: 42, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1387, independent: 1334, independent conditional: 1000, independent unconditional: 334, dependent: 53, dependent conditional: 42, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1387, independent: 1334, independent conditional: 1000, independent unconditional: 334, dependent: 53, dependent conditional: 42, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1387, independent: 1334, independent conditional: 1000, independent unconditional: 334, dependent: 53, dependent conditional: 42, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1532, independent: 1334, independent conditional: 1000, independent unconditional: 334, dependent: 198, dependent conditional: 176, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1532, independent: 1334, independent conditional: 251, independent unconditional: 1083, dependent: 198, dependent conditional: 45, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1532, independent: 1334, independent conditional: 251, independent unconditional: 1083, dependent: 198, dependent conditional: 45, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 347, independent: 319, independent conditional: 25, independent unconditional: 294, dependent: 28, dependent conditional: 17, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 347, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 28, dependent conditional: 17, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 28, dependent conditional: 17, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1060, independent: 518, independent conditional: 447, independent unconditional: 71, dependent: 542, dependent conditional: 281, dependent unconditional: 261, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1532, independent: 1015, independent conditional: 226, independent unconditional: 789, dependent: 170, dependent conditional: 28, dependent unconditional: 142, unknown: 347, unknown conditional: 42, unknown unconditional: 305] , Statistics on independence cache: Total cache size (in pairs): 347, Positive cache size: 319, Positive conditional cache size: 25, Positive unconditional cache size: 294, Negative cache size: 28, Negative conditional cache size: 17, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 880, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1532, independent: 1334, independent conditional: 1000, independent unconditional: 334, dependent: 198, dependent conditional: 176, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1532, independent: 1334, independent conditional: 251, independent unconditional: 1083, dependent: 198, dependent conditional: 45, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1532, independent: 1334, independent conditional: 251, independent unconditional: 1083, dependent: 198, dependent conditional: 45, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 347, independent: 319, independent conditional: 25, independent unconditional: 294, dependent: 28, dependent conditional: 17, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 347, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 28, dependent conditional: 17, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 28, dependent conditional: 17, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1060, independent: 518, independent conditional: 447, independent unconditional: 71, dependent: 542, dependent conditional: 281, dependent unconditional: 261, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1532, independent: 1015, independent conditional: 226, independent unconditional: 789, dependent: 170, dependent conditional: 28, dependent unconditional: 142, unknown: 347, unknown conditional: 42, unknown unconditional: 305] , Statistics on independence cache: Total cache size (in pairs): 347, Positive cache size: 319, Positive conditional cache size: 25, Positive unconditional cache size: 294, Negative cache size: 28, Negative conditional cache size: 17, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 880 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 104, Number of trivial persistent sets: 47, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 305, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1387, independent: 1334, independent conditional: 1000, independent unconditional: 334, dependent: 53, dependent conditional: 42, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1387, independent: 1334, independent conditional: 1000, independent unconditional: 334, dependent: 53, dependent conditional: 42, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1387, independent: 1334, independent conditional: 1000, independent unconditional: 334, dependent: 53, dependent conditional: 42, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1387, independent: 1334, independent conditional: 1000, independent unconditional: 334, dependent: 53, dependent conditional: 42, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1532, independent: 1334, independent conditional: 1000, independent unconditional: 334, dependent: 198, dependent conditional: 176, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1532, independent: 1334, independent conditional: 251, independent unconditional: 1083, dependent: 198, dependent conditional: 45, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1532, independent: 1334, independent conditional: 251, independent unconditional: 1083, dependent: 198, dependent conditional: 45, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 347, independent: 319, independent conditional: 25, independent unconditional: 294, dependent: 28, dependent conditional: 17, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 347, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 28, dependent conditional: 17, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 28, dependent conditional: 17, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1060, independent: 518, independent conditional: 447, independent unconditional: 71, dependent: 542, dependent conditional: 281, dependent unconditional: 261, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1532, independent: 1015, independent conditional: 226, independent unconditional: 789, dependent: 170, dependent conditional: 28, dependent unconditional: 142, unknown: 347, unknown conditional: 42, unknown unconditional: 305] , Statistics on independence cache: Total cache size (in pairs): 347, Positive cache size: 319, Positive conditional cache size: 25, Positive unconditional cache size: 294, Negative cache size: 28, Negative conditional cache size: 17, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 880, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1532, independent: 1334, independent conditional: 1000, independent unconditional: 334, dependent: 198, dependent conditional: 176, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1532, independent: 1334, independent conditional: 251, independent unconditional: 1083, dependent: 198, dependent conditional: 45, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1532, independent: 1334, independent conditional: 251, independent unconditional: 1083, dependent: 198, dependent conditional: 45, dependent unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 347, independent: 319, independent conditional: 25, independent unconditional: 294, dependent: 28, dependent conditional: 17, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 347, independent: 294, independent conditional: 0, independent unconditional: 294, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 28, dependent conditional: 17, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 28, dependent conditional: 17, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1060, independent: 518, independent conditional: 447, independent unconditional: 71, dependent: 542, dependent conditional: 281, dependent unconditional: 261, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1532, independent: 1015, independent conditional: 226, independent unconditional: 789, dependent: 170, dependent conditional: 28, dependent unconditional: 142, unknown: 347, unknown conditional: 42, unknown unconditional: 305] , Statistics on independence cache: Total cache size (in pairs): 347, Positive cache size: 319, Positive conditional cache size: 25, Positive unconditional cache size: 294, Negative cache size: 28, Negative conditional cache size: 17, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 880 ], Independence queries for same thread: 0 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a 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 5 procedures, 45 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 319 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-19 07:56:41,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-19 07:56:42,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE