./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity GENERATOR_WITH_CONTEXT -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/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.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 9071d56f4666aca734ab742196d3aa15fce92ad6b7c276706d2cff43d2d6147a --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity GENERATOR_WITH_CONTEXT -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 [2024-10-17 04:03:49,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 04:03:49,470 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 04:03:49,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 04:03:49,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 04:03:49,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 04:03:49,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 04:03:49,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 04:03:49,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 04:03:49,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 04:03:49,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 04:03:49,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 04:03:49,510 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 04:03:49,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 04:03:49,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 04:03:49,512 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 04:03:49,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 04:03:49,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 04:03:49,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 04:03:49,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 04:03:49,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 04:03:49,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 04:03:49,516 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 04:03:49,517 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 04:03:49,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 04:03:49,517 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 04:03:49,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 04:03:49,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 04:03:49,518 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 04:03:49,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 04:03:49,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 04:03:49,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 04:03:49,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 04:03:49,519 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 04:03:49,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 04:03:49,519 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 04:03:49,519 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 04:03:49,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 04:03:49,520 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 04:03:49,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 04:03:49,520 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 04:03:49,521 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 -> 9071d56f4666aca734ab742196d3aa15fce92ad6b7c276706d2cff43d2d6147a 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 -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> GENERATOR_WITH_CONTEXT [2024-10-17 04:03:49,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 04:03:49,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 04:03:49,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 04:03:49,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 04:03:49,806 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 04:03:49,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-17 04:03:51,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 04:03:51,510 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 04:03:51,511 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-17 04:03:51,527 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/378ed596e/7c7cff75990b45e89e711c946717dbc4/FLAG0be01ae72 [2024-10-17 04:03:51,846 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/378ed596e/7c7cff75990b45e89e711c946717dbc4 [2024-10-17 04:03:51,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 04:03:51,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 04:03:51,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 04:03:51,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 04:03:51,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 04:03:51,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:03:51" (1/1) ... [2024-10-17 04:03:51,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee1d32b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:51, skipping insertion in model container [2024-10-17 04:03:51,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:03:51" (1/1) ... [2024-10-17 04:03:51,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 04:03:52,100 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/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-17 04:03:52,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 04:03:52,328 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 04:03:52,340 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/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-17 04:03:52,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 04:03:52,418 INFO L204 MainTranslator]: Completed translation [2024-10-17 04:03:52,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:52 WrapperNode [2024-10-17 04:03:52,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 04:03:52,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 04:03:52,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 04:03:52,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 04:03:52,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:52" (1/1) ... [2024-10-17 04:03:52,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:52" (1/1) ... [2024-10-17 04:03:52,469 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-10-17 04:03:52,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 04:03:52,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 04:03:52,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 04:03:52,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 04:03:52,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:52" (1/1) ... [2024-10-17 04:03:52,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:52" (1/1) ... [2024-10-17 04:03:52,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:52" (1/1) ... [2024-10-17 04:03:52,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:52" (1/1) ... [2024-10-17 04:03:52,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:52" (1/1) ... [2024-10-17 04:03:52,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:52" (1/1) ... [2024-10-17 04:03:52,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:52" (1/1) ... [2024-10-17 04:03:52,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:52" (1/1) ... [2024-10-17 04:03:52,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 04:03:52,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 04:03:52,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 04:03:52,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 04:03:52,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:52" (1/1) ... [2024-10-17 04:03:52,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 04:03:52,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 04:03:52,550 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) [2024-10-17 04:03:52,553 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 [2024-10-17 04:03:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 04:03:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 04:03:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-17 04:03:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-17 04:03:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-17 04:03:52,603 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-17 04:03:52,603 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-17 04:03:52,604 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-17 04:03:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 04:03:52,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 04:03:52,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 04:03:52,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 04:03:52,607 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 04:03:52,753 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 04:03:52,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 04:03:52,918 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 04:03:52,918 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 04:03:53,005 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 04:03:53,006 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-17 04:03:53,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:03:53 BoogieIcfgContainer [2024-10-17 04:03:53,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 04:03:53,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 04:03:53,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 04:03:53,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 04:03:53,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 04:03:51" (1/3) ... [2024-10-17 04:03:53,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 04:03:53, skipping insertion in model container [2024-10-17 04:03:53,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:03:52" (2/3) ... [2024-10-17 04:03:53,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 04:03:53, skipping insertion in model container [2024-10-17 04:03:53,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:03:53" (3/3) ... [2024-10-17 04:03:53,018 INFO L112 eAbstractionObserver]: Analyzing ICFG safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-17 04:03:53,036 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 04:03:53,037 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-17 04:03:53,038 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 04:03:53,079 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-17 04:03:53,128 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 04:03:53,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 04:03:53,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 04:03:53,130 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) [2024-10-17 04:03:53,132 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 [2024-10-17 04:03:53,226 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 04:03:53,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:03:53,246 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 04:03:53,252 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;@7b2031b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR_WITH_CONTEXT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-17 04:03:53,252 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-17 04:03:54,233 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)] === [2024-10-17 04:03:54,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:03:54,320 INFO L85 PathProgramCache]: Analyzing trace with hash 110190927, now seen corresponding path program 1 times [2024-10-17 04:03:54,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 04:03:54,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760044161] [2024-10-17 04:03:54,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:03:54,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:03:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 04:03:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 04:03:54,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 04:03:54,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760044161] [2024-10-17 04:03:54,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760044161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 04:03:54,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 04:03:54,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-17 04:03:54,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098130723] [2024-10-17 04:03:54,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 04:03:54,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 04:03:54,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 04:03:54,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 04:03:54,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-17 04:03:54,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:03:54,874 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 04:03:54,875 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) [2024-10-17 04:03:54,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:03:55,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:55,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-17 04:03:55,118 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)] === [2024-10-17 04:03:55,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1633907351, now seen corresponding path program 1 times [2024-10-17 04:03:55,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:03:55,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:03:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 04:03:55,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 04:03:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 04:03:55,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:03:55,449 INFO L85 PathProgramCache]: Analyzing trace with hash 2044322924, now seen corresponding path program 1 times [2024-10-17 04:03:55,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 04:03:55,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593933451] [2024-10-17 04:03:55,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:03:55,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:03:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 04:03:55,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 04:03:55,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 04:03:55,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593933451] [2024-10-17 04:03:55,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593933451] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 04:03:55,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 04:03:55,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-17 04:03:55,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212209209] [2024-10-17 04:03:55,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 04:03:55,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 04:03:55,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 04:03:55,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 04:03:55,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-17 04:03:55,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:03:55,680 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 04:03:55,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-10-17 04:03:55,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:55,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:03:56,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:56,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:56,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-17 04:03:56,360 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)] === [2024-10-17 04:03:56,508 INFO L85 PathProgramCache]: Analyzing trace with hash 436866749, now seen corresponding path program 1 times [2024-10-17 04:03:56,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:03:56,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:03:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 04:03:56,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 04:03:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 04:03:56,639 INFO L85 PathProgramCache]: Analyzing trace with hash 715528577, now seen corresponding path program 1 times [2024-10-17 04:03:56,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:03:56,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:03:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 04:03:56,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 04:03:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 04:03:56,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:03:56,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1378428632, now seen corresponding path program 2 times [2024-10-17 04:03:56,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 04:03:56,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200845957] [2024-10-17 04:03:56,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:03:56,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:03:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 04:03:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 04:03:56,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 04:03:56,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200845957] [2024-10-17 04:03:56,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200845957] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 04:03:56,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 04:03:56,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-17 04:03:56,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720720362] [2024-10-17 04:03:56,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 04:03:56,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 04:03:56,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 04:03:56,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 04:03:56,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-17 04:03:56,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:03:56,841 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 04:03:56,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 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) [2024-10-17 04:03:56,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:56,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:56,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:03:57,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:57,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:57,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 04:03:57,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable5 [2024-10-17 04:03:57,163 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 04:03:57,331 INFO L85 PathProgramCache]: Analyzing trace with hash -396213959, now seen corresponding path program 1 times [2024-10-17 04:03:57,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:03:57,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:03:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 04:03:57,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 04:03:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 04:03:57,460 INFO L85 PathProgramCache]: Analyzing trace with hash -803492995, now seen corresponding path program 1 times [2024-10-17 04:03:57,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:03:57,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:03:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 04:03:57,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 04:03:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 04:03:57,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:03:57,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1761553406, now seen corresponding path program 3 times [2024-10-17 04:03:57,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 04:03:57,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14217050] [2024-10-17 04:03:57,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:03:57,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:03:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 04:03:57,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 04:03:57,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 04:03:57,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14217050] [2024-10-17 04:03:57,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14217050] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 04:03:57,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 04:03:57,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-17 04:03:57,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30575336] [2024-10-17 04:03:57,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 04:03:57,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-17 04:03:57,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 04:03:57,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-17 04:03:57,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-17 04:03:57,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:03:57,676 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 04:03:57,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-10-17 04:03:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:57,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 04:03:57,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:03:57,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:57,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:57,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 04:03:57,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 04:03:57,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-10-17 04:03:57,971 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-17 04:03:58,240 INFO L85 PathProgramCache]: Analyzing trace with hash -930321786, now seen corresponding path program 1 times [2024-10-17 04:03:58,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:03:58,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:03:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 04:03:58,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-17 04:03:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-17 04:03:58,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 04:03:58,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1547534396, now seen corresponding path program 4 times [2024-10-17 04:03:58,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 04:03:58,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129825208] [2024-10-17 04:03:58,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 04:03:58,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 04:03:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 04:03:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 04:03:58,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 04:03:58,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129825208] [2024-10-17 04:03:58,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129825208] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 04:03:58,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 04:03:58,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-17 04:03:58,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532011200] [2024-10-17 04:03:58,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 04:03:58,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 04:03:58,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 04:03:58,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 04:03:58,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-17 04:03:58,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:03:58,447 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 04:03:58,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-10-17 04:03:58,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:58,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:58,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-17 04:03:58,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-17 04:03:58,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 04:03:58,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:58,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-17 04:03:58,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 04:03:58,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-17 04:03:58,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-17 04:03:58,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-17 04:03:58,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-17 04:03:58,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-17 04:03:58,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-17 04:03:58,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-10-17 04:03:58,778 INFO L414 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1] [2024-10-17 04:03:58,783 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-17 04:03:58,786 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-17 04:03:58,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 04:03:58 BasicIcfg [2024-10-17 04:03:58,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-17 04:03:58,789 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-17 04:03:58,789 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-17 04:03:58,790 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-17 04:03:58,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:03:53" (3/4) ... [2024-10-17 04:03:58,793 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-17 04:03:58,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-17 04:03:58,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-17 04:03:58,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-17 04:03:58,800 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-17 04:03:58,800 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-17 04:03:58,801 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-17 04:03:58,801 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-17 04:03:58,886 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-17 04:03:58,887 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-17 04:03:58,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-17 04:03:58,887 INFO L158 Benchmark]: Toolchain (without parser) took 7038.50ms. Allocated memory was 134.2MB in the beginning and 230.7MB in the end (delta: 96.5MB). Free memory was 62.1MB in the beginning and 122.8MB in the end (delta: -60.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-17 04:03:58,888 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 04:03:58,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.01ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 62.1MB in the beginning and 154.0MB in the end (delta: -91.9MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-10-17 04:03:58,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.22ms. Allocated memory is still 190.8MB. Free memory was 154.0MB in the beginning and 151.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-17 04:03:58,889 INFO L158 Benchmark]: Boogie Preprocessor took 36.57ms. Allocated memory is still 190.8MB. Free memory was 151.9MB in the beginning and 150.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 04:03:58,889 INFO L158 Benchmark]: RCFGBuilder took 498.40ms. Allocated memory is still 190.8MB. Free memory was 150.9MB in the beginning and 130.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-17 04:03:58,889 INFO L158 Benchmark]: TraceAbstraction took 5778.56ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 129.9MB in the beginning and 127.0MB in the end (delta: 2.9MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2024-10-17 04:03:58,890 INFO L158 Benchmark]: Witness Printer took 97.55ms. Allocated memory is still 230.7MB. Free memory was 127.0MB in the beginning and 122.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-17 04:03:58,891 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 134.2MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 569.01ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 62.1MB in the beginning and 154.0MB in the end (delta: -91.9MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.22ms. Allocated memory is still 190.8MB. Free memory was 154.0MB in the beginning and 151.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.57ms. Allocated memory is still 190.8MB. Free memory was 151.9MB in the beginning and 150.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.40ms. Allocated memory is still 190.8MB. Free memory was 150.9MB in the beginning and 130.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5778.56ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 129.9MB in the beginning and 127.0MB in the end (delta: 2.9MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Witness Printer took 97.55ms. Allocated memory is still 230.7MB. Free memory was 127.0MB in the beginning and 122.8MB 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: 16008, independent: 15607, independent conditional: 14927, independent unconditional: 680, dependent: 401, dependent conditional: 376, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16003, independent: 15607, independent conditional: 14927, independent unconditional: 680, dependent: 396, dependent conditional: 372, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16003, independent: 15607, independent conditional: 14927, independent unconditional: 680, dependent: 396, dependent conditional: 372, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16003, independent: 15607, independent conditional: 14927, independent unconditional: 680, dependent: 396, dependent conditional: 372, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19282, independent: 15607, independent conditional: 14927, independent unconditional: 680, dependent: 3675, dependent conditional: 3627, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19282, independent: 15607, independent conditional: 534, independent unconditional: 15073, dependent: 3675, dependent conditional: 357, dependent unconditional: 3318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19282, independent: 15607, independent conditional: 534, independent unconditional: 15073, dependent: 3675, dependent conditional: 357, dependent unconditional: 3318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 736, independent: 690, independent conditional: 10, independent unconditional: 680, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 736, independent: 672, independent conditional: 0, independent unconditional: 672, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1637, independent: 486, independent conditional: 282, independent unconditional: 204, dependent: 1150, dependent conditional: 242, dependent unconditional: 908, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19282, independent: 14917, independent conditional: 524, independent unconditional: 14393, dependent: 3629, dependent conditional: 335, dependent unconditional: 3294, unknown: 736, unknown conditional: 32, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 736, Positive cache size: 690, Positive conditional cache size: 10, Positive unconditional cache size: 680, Negative cache size: 46, Negative conditional cache size: 22, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17663, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19282, independent: 15607, independent conditional: 14927, independent unconditional: 680, dependent: 3675, dependent conditional: 3627, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19282, independent: 15607, independent conditional: 534, independent unconditional: 15073, dependent: 3675, dependent conditional: 357, dependent unconditional: 3318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19282, independent: 15607, independent conditional: 534, independent unconditional: 15073, dependent: 3675, dependent conditional: 357, dependent unconditional: 3318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 736, independent: 690, independent conditional: 10, independent unconditional: 680, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 736, independent: 672, independent conditional: 0, independent unconditional: 672, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1637, independent: 486, independent conditional: 282, independent unconditional: 204, dependent: 1150, dependent conditional: 242, dependent unconditional: 908, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19282, independent: 14917, independent conditional: 524, independent unconditional: 14393, dependent: 3629, dependent conditional: 335, dependent unconditional: 3294, unknown: 736, unknown conditional: 32, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 736, Positive cache size: 690, Positive conditional cache size: 10, Positive unconditional cache size: 680, Negative cache size: 46, Negative conditional cache size: 22, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17663 ], Independence queries for same thread: 5, Persistent sets #1 benchmarks: Persistent set computation time: 1.2s, Number of persistent set computation: 737, Number of trivial persistent sets: 445, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 704, independent: 680, independent conditional: 0, independent unconditional: 680, 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: 16008, independent: 15607, independent conditional: 14927, independent unconditional: 680, dependent: 401, dependent conditional: 376, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16003, independent: 15607, independent conditional: 14927, independent unconditional: 680, dependent: 396, dependent conditional: 372, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16003, independent: 15607, independent conditional: 14927, independent unconditional: 680, dependent: 396, dependent conditional: 372, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16003, independent: 15607, independent conditional: 14927, independent unconditional: 680, dependent: 396, dependent conditional: 372, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19282, independent: 15607, independent conditional: 14927, independent unconditional: 680, dependent: 3675, dependent conditional: 3627, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19282, independent: 15607, independent conditional: 534, independent unconditional: 15073, dependent: 3675, dependent conditional: 357, dependent unconditional: 3318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19282, independent: 15607, independent conditional: 534, independent unconditional: 15073, dependent: 3675, dependent conditional: 357, dependent unconditional: 3318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 736, independent: 690, independent conditional: 10, independent unconditional: 680, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 736, independent: 672, independent conditional: 0, independent unconditional: 672, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1637, independent: 486, independent conditional: 282, independent unconditional: 204, dependent: 1150, dependent conditional: 242, dependent unconditional: 908, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19282, independent: 14917, independent conditional: 524, independent unconditional: 14393, dependent: 3629, dependent conditional: 335, dependent unconditional: 3294, unknown: 736, unknown conditional: 32, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 736, Positive cache size: 690, Positive conditional cache size: 10, Positive unconditional cache size: 680, Negative cache size: 46, Negative conditional cache size: 22, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17663, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19282, independent: 15607, independent conditional: 14927, independent unconditional: 680, dependent: 3675, dependent conditional: 3627, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19282, independent: 15607, independent conditional: 534, independent unconditional: 15073, dependent: 3675, dependent conditional: 357, dependent unconditional: 3318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19282, independent: 15607, independent conditional: 534, independent unconditional: 15073, dependent: 3675, dependent conditional: 357, dependent unconditional: 3318, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 736, independent: 690, independent conditional: 10, independent unconditional: 680, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 736, independent: 672, independent conditional: 0, independent unconditional: 672, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 64, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 64, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1637, independent: 486, independent conditional: 282, independent unconditional: 204, dependent: 1150, dependent conditional: 242, dependent unconditional: 908, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19282, independent: 14917, independent conditional: 524, independent unconditional: 14393, dependent: 3629, dependent conditional: 335, dependent unconditional: 3294, unknown: 736, unknown conditional: 32, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 736, Positive cache size: 690, Positive conditional cache size: 10, Positive unconditional cache size: 680, Negative cache size: 46, Negative conditional cache size: 22, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17663 ], Independence queries for same thread: 5 - 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, 64 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 2.8s, 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: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 819 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 1.3s, ConditionalCommutativityCheckTime: 1.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 12, ConditionalCommutativityTraceChecks: 6, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-17 04:03:58,921 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 [2024-10-17 04:03:59,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE