./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe002_tso.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --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/safe002_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 3743abf17a0d3db70a931712c22f305431bb6e8feb7b662539ff9c5190491352 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --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 02:16:04,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 02:16:04,118 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 02:16:04,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 02:16:04,123 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 02:16:04,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 02:16:04,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 02:16:04,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 02:16:04,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 02:16:04,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 02:16:04,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 02:16:04,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 02:16:04,162 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 02:16:04,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 02:16:04,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 02:16:04,165 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 02:16:04,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 02:16:04,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 02:16:04,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 02:16:04,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 02:16:04,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 02:16:04,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 02:16:04,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 02:16:04,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 02:16:04,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 02:16:04,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 02:16:04,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 02:16:04,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 02:16:04,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 02:16:04,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 02:16:04,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 02:16:04,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 02:16:04,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 02:16:04,174 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 02:16:04,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 02:16:04,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 02:16:04,175 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 02:16:04,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 02:16:04,177 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 02:16:04,177 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 02:16:04,177 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 02:16:04,178 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 -> 3743abf17a0d3db70a931712c22f305431bb6e8feb7b662539ff9c5190491352 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 -> SLEEP_SET 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 02:16:04,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 02:16:04,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 02:16:04,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 02:16:04,459 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 02:16:04,459 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 02:16:04,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_tso.i [2024-10-19 02:16:05,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 02:16:06,192 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 02:16:06,193 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.i [2024-10-19 02:16:06,215 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/051014cd4/c3cb407b7558430e891ef1a9496ab196/FLAG56755c52a [2024-10-19 02:16:06,231 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/051014cd4/c3cb407b7558430e891ef1a9496ab196 [2024-10-19 02:16:06,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 02:16:06,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 02:16:06,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 02:16:06,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 02:16:06,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 02:16:06,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:16:06" (1/1) ... [2024-10-19 02:16:06,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7b7bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06, skipping insertion in model container [2024-10-19 02:16:06,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:16:06" (1/1) ... [2024-10-19 02:16:06,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 02:16:06,488 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/safe002_tso.i[945,958] [2024-10-19 02:16:06,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 02:16:06,646 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 02:16:06,660 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/safe002_tso.i[945,958] [2024-10-19 02:16:06,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 02:16:06,754 INFO L204 MainTranslator]: Completed translation [2024-10-19 02:16:06,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06 WrapperNode [2024-10-19 02:16:06,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 02:16:06,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 02:16:06,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 02:16:06,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 02:16:06,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06" (1/1) ... [2024-10-19 02:16:06,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06" (1/1) ... [2024-10-19 02:16:06,805 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-10-19 02:16:06,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 02:16:06,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 02:16:06,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 02:16:06,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 02:16:06,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06" (1/1) ... [2024-10-19 02:16:06,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06" (1/1) ... [2024-10-19 02:16:06,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06" (1/1) ... [2024-10-19 02:16:06,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06" (1/1) ... [2024-10-19 02:16:06,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06" (1/1) ... [2024-10-19 02:16:06,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06" (1/1) ... [2024-10-19 02:16:06,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06" (1/1) ... [2024-10-19 02:16:06,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06" (1/1) ... [2024-10-19 02:16:06,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 02:16:06,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 02:16:06,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 02:16:06,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 02:16:06,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06" (1/1) ... [2024-10-19 02:16:06,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 02:16:06,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 02:16:06,893 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 02:16:06,895 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 02:16:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 02:16:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 02:16:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-19 02:16:06,935 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-19 02:16:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-19 02:16:06,935 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-19 02:16:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-19 02:16:06,936 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-19 02:16:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 02:16:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 02:16:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 02:16:06,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 02:16:06,941 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 02:16:07,060 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 02:16:07,062 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 02:16:07,203 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 02:16:07,203 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 02:16:07,300 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 02:16:07,300 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-19 02:16:07,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:16:07 BoogieIcfgContainer [2024-10-19 02:16:07,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 02:16:07,304 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 02:16:07,304 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 02:16:07,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 02:16:07,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:16:06" (1/3) ... [2024-10-19 02:16:07,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249cc257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:16:07, skipping insertion in model container [2024-10-19 02:16:07,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:16:06" (2/3) ... [2024-10-19 02:16:07,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249cc257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:16:07, skipping insertion in model container [2024-10-19 02:16:07,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:16:07" (3/3) ... [2024-10-19 02:16:07,312 INFO L112 eAbstractionObserver]: Analyzing ICFG safe002_tso.i [2024-10-19 02:16:07,328 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 02:16:07,328 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-19 02:16:07,328 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 02:16:07,372 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-19 02:16:07,416 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 02:16:07,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 02:16:07,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 02:16:07,419 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 02:16:07,421 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 02:16:07,511 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 02:16:07,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:16:07,529 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 02:16:07,535 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;@3828a1cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-19 02:16:07,535 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-19 02:16:08,434 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-19 02:16:08,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:16:08,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1633081653, now seen corresponding path program 1 times [2024-10-19 02:16:08,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 02:16:08,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365029532] [2024-10-19 02:16:08,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:08,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:16:09,050 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 02:16:09,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 02:16:09,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365029532] [2024-10-19 02:16:09,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365029532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 02:16:09,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 02:16:09,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 02:16:09,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081697768] [2024-10-19 02:16:09,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 02:16:09,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 02:16:09,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 02:16:09,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 02:16:09,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-19 02:16:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:16:09,090 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 02:16:09,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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 02:16:09,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:16:09,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1270972822, now seen corresponding path program 1 times [2024-10-19 02:16:09,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:09,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:16:09,631 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 02:16:09,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:09,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:16:09,763 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 02:16:09,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 02:16:09,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-19 02:16:10,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1284411546, now seen corresponding path program 1 times [2024-10-19 02:16:10,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:10,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:10,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:10,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-19 02:16:10,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-19 02:16:10,244 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-19 02:16:10,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:16:10,245 INFO L85 PathProgramCache]: Analyzing trace with hash -534173673, now seen corresponding path program 1 times [2024-10-19 02:16:10,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 02:16:10,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778179032] [2024-10-19 02:16:10,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:10,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:16:10,417 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 02:16:10,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 02:16:10,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778179032] [2024-10-19 02:16:10,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778179032] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 02:16:10,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 02:16:10,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 02:16:10,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307625787] [2024-10-19 02:16:10,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 02:16:10,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 02:16:10,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 02:16:10,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 02:16:10,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-19 02:16:10,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:16:10,424 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 02:16:10,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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 02:16:10,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-19 02:16:10,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:16:10,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1284411553, now seen corresponding path program 1 times [2024-10-19 02:16:10,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:10,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:10,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:10,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1439115215, now seen corresponding path program 1 times [2024-10-19 02:16:10,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:10,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:10,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,030 INFO L85 PathProgramCache]: Analyzing trace with hash 798231913, now seen corresponding path program 1 times [2024-10-19 02:16:11,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:11,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,090 INFO L85 PathProgramCache]: Analyzing trace with hash -666986720, now seen corresponding path program 1 times [2024-10-19 02:16:11,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:11,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1545535420, now seen corresponding path program 1 times [2024-10-19 02:16:11,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:11,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,433 INFO L85 PathProgramCache]: Analyzing trace with hash -220619097, now seen corresponding path program 1 times [2024-10-19 02:16:11,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:11,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1390565875, now seen corresponding path program 1 times [2024-10-19 02:16:11,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:11,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1999853603, now seen corresponding path program 1 times [2024-10-19 02:16:11,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:11,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1311437944, now seen corresponding path program 1 times [2024-10-19 02:16:11,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:11,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:11,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:12,651 INFO L85 PathProgramCache]: Analyzing trace with hash -358771372, now seen corresponding path program 1 times [2024-10-19 02:16:12,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:12,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:12,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:12,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1225850283, now seen corresponding path program 1 times [2024-10-19 02:16:12,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:12,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:12,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:12,764 INFO L85 PathProgramCache]: Analyzing trace with hash 930288398, now seen corresponding path program 1 times [2024-10-19 02:16:12,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:12,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:12,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:12,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1771104974, now seen corresponding path program 1 times [2024-10-19 02:16:12,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:12,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:12,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:12,907 INFO L85 PathProgramCache]: Analyzing trace with hash 928990095, now seen corresponding path program 1 times [2024-10-19 02:16:12,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:12,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:12,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:12,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1771147256, now seen corresponding path program 1 times [2024-10-19 02:16:12,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:12,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:12,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,391 INFO L85 PathProgramCache]: Analyzing trace with hash -2144658216, now seen corresponding path program 1 times [2024-10-19 02:16:13,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:13,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2009041181, now seen corresponding path program 1 times [2024-10-19 02:16:13,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:13,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1182091989, now seen corresponding path program 1 times [2024-10-19 02:16:13,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:13,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1386089071, now seen corresponding path program 1 times [2024-10-19 02:16:13,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:13,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,691 INFO L85 PathProgramCache]: Analyzing trace with hash 598915614, now seen corresponding path program 1 times [2024-10-19 02:16:13,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:13,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,929 INFO L85 PathProgramCache]: Analyzing trace with hash 850630094, now seen corresponding path program 1 times [2024-10-19 02:16:13,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:13,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,963 INFO L85 PathProgramCache]: Analyzing trace with hash 558667989, now seen corresponding path program 1 times [2024-10-19 02:16:13,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:13,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:13,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:14,000 INFO L85 PathProgramCache]: Analyzing trace with hash 849319292, now seen corresponding path program 1 times [2024-10-19 02:16:14,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:14,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:14,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 02:16:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:16:14,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable22,SelfDestructingSolverStorable12,SelfDestructingSolverStorable23,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable24,SelfDestructingSolverStorable14,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,SelfDestructingSolverStorable27,SelfDestructingSolverStorable17 [2024-10-19 02:16:14,659 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-19 02:16:14,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 02:16:14,659 INFO L85 PathProgramCache]: Analyzing trace with hash 76330887, now seen corresponding path program 2 times [2024-10-19 02:16:14,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 02:16:14,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59520757] [2024-10-19 02:16:14,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:14,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 02:16:14,806 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 02:16:14,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 02:16:14,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59520757] [2024-10-19 02:16:14,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59520757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 02:16:14,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 02:16:14,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 02:16:14,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887054250] [2024-10-19 02:16:14,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 02:16:14,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 02:16:14,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 02:16:14,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 02:16:14,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-19 02:16:14,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:16:14,808 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 02:16:14,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 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 02:16:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-19 02:16:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:16:14,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 02:16:15,831 INFO L85 PathProgramCache]: Analyzing trace with hash -358771150, now seen corresponding path program 1 times [2024-10-19 02:16:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 02:16:15,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 02:16:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:15,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 02:16:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 02:16:19,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-19 02:16:19,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:16:19,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 02:16:19,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-19 02:16:19,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-19 02:16:19,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-19 02:16:19,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-19 02:16:19,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable28 [2024-10-19 02:16:19,360 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-19 02:16:19,367 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-19 02:16:19,368 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-19 02:16:19,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:16:19 BasicIcfg [2024-10-19 02:16:19,374 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-19 02:16:19,375 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-19 02:16:19,375 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-19 02:16:19,375 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-19 02:16:19,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:16:07" (3/4) ... [2024-10-19 02:16:19,377 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-19 02:16:19,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-19 02:16:19,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-19 02:16:19,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-19 02:16:19,386 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-19 02:16:19,386 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-19 02:16:19,387 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-19 02:16:19,387 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-19 02:16:19,482 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-19 02:16:19,483 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-19 02:16:19,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-19 02:16:19,483 INFO L158 Benchmark]: Toolchain (without parser) took 13248.37ms. Allocated memory was 151.0MB in the beginning and 356.5MB in the end (delta: 205.5MB). Free memory was 76.8MB in the beginning and 147.1MB in the end (delta: -70.2MB). Peak memory consumption was 137.1MB. Max. memory is 16.1GB. [2024-10-19 02:16:19,484 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-19 02:16:19,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.99ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 76.7MB in the beginning and 159.9MB in the end (delta: -83.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-10-19 02:16:19,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.79ms. Allocated memory is still 203.4MB. Free memory was 159.9MB in the beginning and 157.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-19 02:16:19,485 INFO L158 Benchmark]: Boogie Preprocessor took 27.14ms. Allocated memory is still 203.4MB. Free memory was 157.8MB in the beginning and 156.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-19 02:16:19,485 INFO L158 Benchmark]: RCFGBuilder took 463.65ms. Allocated memory is still 203.4MB. Free memory was 156.8MB in the beginning and 135.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-19 02:16:19,486 INFO L158 Benchmark]: TraceAbstraction took 12070.28ms. Allocated memory was 203.4MB in the beginning and 356.5MB in the end (delta: 153.1MB). Free memory was 134.7MB in the beginning and 151.3MB in the end (delta: -16.5MB). Peak memory consumption was 136.5MB. Max. memory is 16.1GB. [2024-10-19 02:16:19,486 INFO L158 Benchmark]: Witness Printer took 108.25ms. Allocated memory is still 356.5MB. Free memory was 151.3MB in the beginning and 147.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-19 02:16:19,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.99ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 76.7MB in the beginning and 159.9MB in the end (delta: -83.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.79ms. Allocated memory is still 203.4MB. Free memory was 159.9MB in the beginning and 157.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.14ms. Allocated memory is still 203.4MB. Free memory was 157.8MB in the beginning and 156.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.65ms. Allocated memory is still 203.4MB. Free memory was 156.8MB in the beginning and 135.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 12070.28ms. Allocated memory was 203.4MB in the beginning and 356.5MB in the end (delta: 153.1MB). Free memory was 134.7MB in the beginning and 151.3MB in the end (delta: -16.5MB). Peak memory consumption was 136.5MB. Max. memory is 16.1GB. * Witness Printer took 108.25ms. Allocated memory is still 356.5MB. Free memory was 151.3MB in the beginning and 147.1MB 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: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 1993, dependent conditional: 1945, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1019, independent: 932, independent conditional: 310, independent unconditional: 622, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1019, independent: 633, independent conditional: 0, independent unconditional: 633, dependent: 386, dependent conditional: 0, dependent unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7775, independent: 6019, independent conditional: 5822, independent unconditional: 197, dependent: 1756, dependent conditional: 898, dependent unconditional: 858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17176, independent: 14251, independent conditional: 3920, independent unconditional: 10331, dependent: 1906, dependent conditional: 110, dependent unconditional: 1796, unknown: 1019, unknown conditional: 373, unknown unconditional: 646] , Statistics on independence cache: Total cache size (in pairs): 1019, Positive cache size: 932, Positive conditional cache size: 310, Positive unconditional cache size: 622, Negative cache size: 87, Negative conditional cache size: 63, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12049, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 1993, dependent conditional: 1945, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1019, independent: 932, independent conditional: 310, independent unconditional: 622, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1019, independent: 633, independent conditional: 0, independent unconditional: 633, dependent: 386, dependent conditional: 0, dependent unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7775, independent: 6019, independent conditional: 5822, independent unconditional: 197, dependent: 1756, dependent conditional: 898, dependent unconditional: 858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17176, independent: 14251, independent conditional: 3920, independent unconditional: 10331, dependent: 1906, dependent conditional: 110, dependent unconditional: 1796, unknown: 1019, unknown conditional: 373, unknown unconditional: 646] , Statistics on independence cache: Total cache size (in pairs): 1019, Positive cache size: 932, Positive conditional cache size: 310, Positive unconditional cache size: 622, Negative cache size: 87, Negative conditional cache size: 63, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12049 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.2s, Number of persistent set computation: 680, Number of trivial persistent sets: 348, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 646, independent: 622, independent conditional: 0, independent unconditional: 622, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15594, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 411, dependent conditional: 387, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 1993, dependent conditional: 1945, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1019, independent: 932, independent conditional: 310, independent unconditional: 622, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1019, independent: 633, independent conditional: 0, independent unconditional: 633, dependent: 386, dependent conditional: 0, dependent unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7775, independent: 6019, independent conditional: 5822, independent unconditional: 197, dependent: 1756, dependent conditional: 898, dependent unconditional: 858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17176, independent: 14251, independent conditional: 3920, independent unconditional: 10331, dependent: 1906, dependent conditional: 110, dependent unconditional: 1796, unknown: 1019, unknown conditional: 373, unknown unconditional: 646] , Statistics on independence cache: Total cache size (in pairs): 1019, Positive cache size: 932, Positive conditional cache size: 310, Positive unconditional cache size: 622, Negative cache size: 87, Negative conditional cache size: 63, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12049, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 14507, independent unconditional: 676, dependent: 1993, dependent conditional: 1945, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17176, independent: 15183, independent conditional: 4230, independent unconditional: 10953, dependent: 1993, dependent conditional: 173, dependent unconditional: 1820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1019, independent: 932, independent conditional: 310, independent unconditional: 622, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1019, independent: 633, independent conditional: 0, independent unconditional: 633, dependent: 386, dependent conditional: 0, dependent unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 386, independent: 299, independent conditional: 291, independent unconditional: 8, dependent: 87, dependent conditional: 63, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7775, independent: 6019, independent conditional: 5822, independent unconditional: 197, dependent: 1756, dependent conditional: 898, dependent unconditional: 858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 17176, independent: 14251, independent conditional: 3920, independent unconditional: 10331, dependent: 1906, dependent conditional: 110, dependent unconditional: 1796, unknown: 1019, unknown conditional: 373, unknown unconditional: 646] , Statistics on independence cache: Total cache size (in pairs): 1019, Positive cache size: 932, Positive conditional cache size: 310, Positive unconditional cache size: 622, Negative cache size: 87, Negative conditional cache size: 63, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12049 ], 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 7 procedures, 62 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 11.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 10.8s, 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: 20, 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, 0.8s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 387 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: 8.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 31, ConditionalCommutativityTraceChecks: 26, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-19 02:16:19,522 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 02:16:19,720 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