./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix028_power.oepc_pso.oepc_rmo.oepc.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/mix028_power.oepc_pso.oepc_rmo.oepc.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 d974e781ffea1b31efc329a775e4694ebddd3772fc019bafad0898da50a9d8c1 --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 01:17:54,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-19 01:17:54,696 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-19 01:17:54,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-19 01:17:54,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-19 01:17:54,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-19 01:17:54,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-19 01:17:54,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-19 01:17:54,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-19 01:17:54,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-19 01:17:54,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-19 01:17:54,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-19 01:17:54,745 INFO L153 SettingsManager]: * Use SBE=true [2024-10-19 01:17:54,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-19 01:17:54,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-19 01:17:54,746 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-19 01:17:54,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-19 01:17:54,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-19 01:17:54,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-19 01:17:54,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-19 01:17:54,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-19 01:17:54,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-19 01:17:54,749 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-19 01:17:54,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-19 01:17:54,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-19 01:17:54,750 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-19 01:17:54,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-19 01:17:54,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-19 01:17:54,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-19 01:17:54,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-19 01:17:54,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 01:17:54,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-19 01:17:54,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-19 01:17:54,752 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-19 01:17:54,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-19 01:17:54,752 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-19 01:17:54,755 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-19 01:17:54,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-19 01:17:54,755 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-19 01:17:54,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-19 01:17:54,756 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-19 01:17:54,756 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 -> d974e781ffea1b31efc329a775e4694ebddd3772fc019bafad0898da50a9d8c1 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 01:17:55,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-19 01:17:55,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-19 01:17:55,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-19 01:17:55,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-19 01:17:55,048 INFO L274 PluginConnector]: CDTParser initialized [2024-10-19 01:17:55,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix028_power.oepc_pso.oepc_rmo.oepc.i [2024-10-19 01:17:56,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-19 01:17:56,754 INFO L384 CDTParser]: Found 1 translation units. [2024-10-19 01:17:56,754 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix028_power.oepc_pso.oepc_rmo.oepc.i [2024-10-19 01:17:56,771 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8cf9dd3a6/a2cdedf75b5a4f34b82f568b164c69b2/FLAG3323442f6 [2024-10-19 01:17:56,786 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8cf9dd3a6/a2cdedf75b5a4f34b82f568b164c69b2 [2024-10-19 01:17:56,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-19 01:17:56,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-19 01:17:56,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-19 01:17:56,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-19 01:17:56,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-19 01:17:56,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 01:17:56" (1/1) ... [2024-10-19 01:17:56,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cc2be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:56, skipping insertion in model container [2024-10-19 01:17:56,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 01:17:56" (1/1) ... [2024-10-19 01:17:56,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-19 01:17:57,093 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/mix028_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2024-10-19 01:17:57,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 01:17:57,329 INFO L200 MainTranslator]: Completed pre-run [2024-10-19 01:17:57,341 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/mix028_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2024-10-19 01:17:57,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-19 01:17:57,438 INFO L204 MainTranslator]: Completed translation [2024-10-19 01:17:57,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:57 WrapperNode [2024-10-19 01:17:57,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-19 01:17:57,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-19 01:17:57,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-19 01:17:57,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-19 01:17:57,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:57" (1/1) ... [2024-10-19 01:17:57,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:57" (1/1) ... [2024-10-19 01:17:57,502 INFO L138 Inliner]: procedures = 175, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 115 [2024-10-19 01:17:57,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-19 01:17:57,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-19 01:17:57,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-19 01:17:57,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-19 01:17:57,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:57" (1/1) ... [2024-10-19 01:17:57,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:57" (1/1) ... [2024-10-19 01:17:57,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:57" (1/1) ... [2024-10-19 01:17:57,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:57" (1/1) ... [2024-10-19 01:17:57,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:57" (1/1) ... [2024-10-19 01:17:57,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:57" (1/1) ... [2024-10-19 01:17:57,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:57" (1/1) ... [2024-10-19 01:17:57,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:57" (1/1) ... [2024-10-19 01:17:57,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-19 01:17:57,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-19 01:17:57,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-19 01:17:57,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-19 01:17:57,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:57" (1/1) ... [2024-10-19 01:17:57,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-19 01:17:57,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 01:17:57,590 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 01:17:57,593 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 01:17:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-19 01:17:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-19 01:17:57,639 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-19 01:17:57,639 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-19 01:17:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-19 01:17:57,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-19 01:17:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-19 01:17:57,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-19 01:17:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-19 01:17:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-19 01:17:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-19 01:17:57,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-19 01:17:57,644 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 01:17:57,801 INFO L238 CfgBuilder]: Building ICFG [2024-10-19 01:17:57,804 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-19 01:17:58,142 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-19 01:17:58,143 INFO L287 CfgBuilder]: Performing block encoding [2024-10-19 01:17:58,366 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-19 01:17:58,366 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-19 01:17:58,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 01:17:58 BoogieIcfgContainer [2024-10-19 01:17:58,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-19 01:17:58,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-19 01:17:58,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-19 01:17:58,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-19 01:17:58,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 01:17:56" (1/3) ... [2024-10-19 01:17:58,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c4aaa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 01:17:58, skipping insertion in model container [2024-10-19 01:17:58,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 01:17:57" (2/3) ... [2024-10-19 01:17:58,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c4aaa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 01:17:58, skipping insertion in model container [2024-10-19 01:17:58,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 01:17:58" (3/3) ... [2024-10-19 01:17:58,378 INFO L112 eAbstractionObserver]: Analyzing ICFG mix028_power.oepc_pso.oepc_rmo.oepc.i [2024-10-19 01:17:58,393 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-19 01:17:58,394 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-19 01:17:58,394 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-19 01:17:58,448 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-19 01:17:58,486 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-19 01:17:58,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-19 01:17:58,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-19 01:17:58,488 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 01:17:58,489 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 01:17:58,578 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-19 01:17:58,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:17:58,599 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-19 01:17:58,605 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;@78b31c17, 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 01:17:58,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-19 01:18:18,775 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 01:18:18,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:18:18,777 INFO L85 PathProgramCache]: Analyzing trace with hash -578661915, now seen corresponding path program 1 times [2024-10-19 01:18:18,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:18:18,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808589380] [2024-10-19 01:18:18,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:18:18,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:18:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:18:19,616 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 01:18:19,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:18:19,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808589380] [2024-10-19 01:18:19,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808589380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:18:19,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:18:19,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 01:18:19,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597199747] [2024-10-19 01:18:19,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:18:19,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 01:18:19,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:18:19,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 01:18:19,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-19 01:18:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:18:19,653 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:18:19,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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 01:18:19,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:18:23,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2022719712, now seen corresponding path program 1 times [2024-10-19 01:18:23,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:18:23,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:18:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:23,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:18:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 01:18:23,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-19 01:18:23,354 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 01:18:23,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:18:23,355 INFO L85 PathProgramCache]: Analyzing trace with hash -383924305, now seen corresponding path program 1 times [2024-10-19 01:18:23,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:18:23,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484246068] [2024-10-19 01:18:23,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:18:23,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:18:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:18:23,834 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 01:18:23,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:18:23,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484246068] [2024-10-19 01:18:23,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484246068] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:18:23,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:18:23,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-19 01:18:23,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561121325] [2024-10-19 01:18:23,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:18:23,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-19 01:18:23,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:18:23,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 01:18:23,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-19 01:18:23,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:18:23,840 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:18:23,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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) [2024-10-19 01:18:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 01:18:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:18:23,990 INFO L85 PathProgramCache]: Analyzing trace with hash -2022719705, now seen corresponding path program 1 times [2024-10-19 01:18:23,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:18:23,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:18:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:24,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:18:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:24,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1857004107, now seen corresponding path program 1 times [2024-10-19 01:18:24,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:18:24,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:18:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:24,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:18:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:25,271 INFO L85 PathProgramCache]: Analyzing trace with hash 620098860, now seen corresponding path program 1 times [2024-10-19 01:18:25,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:18:25,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:18:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:18:25,679 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 01:18:25,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:18:25,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:18:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:18:26,178 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 01:18:26,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-19 01:18:26,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-19 01:18:26,308 INFO L85 PathProgramCache]: Analyzing trace with hash -2022719684, now seen corresponding path program 1 times [2024-10-19 01:18:26,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:18:26,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:18:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:26,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:18:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:26,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1857004128, now seen corresponding path program 1 times [2024-10-19 01:18:26,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:18:26,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:18:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:18:26,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:18:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:19:13,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1543122886, now seen corresponding path program 1 times [2024-10-19 01:19:13,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:19:13,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:19:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:19:13,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:19:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:19:43,022 INFO L85 PathProgramCache]: Analyzing trace with hash 604446257, now seen corresponding path program 1 times [2024-10-19 01:19:43,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:19:43,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:19:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:19:43,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:19:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:19:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-19 01:19:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-19 01:19:43,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-10-19 01:19:43,211 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 01:19:43,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-19 01:19:43,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1259134605, now seen corresponding path program 2 times [2024-10-19 01:19:43,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-19 01:19:43,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271832963] [2024-10-19 01:19:43,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:19:43,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:19:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:19:43,473 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 01:19:43,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-19 01:19:43,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271832963] [2024-10-19 01:19:43,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271832963] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-19 01:19:43,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-19 01:19:43,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-19 01:19:43,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832588510] [2024-10-19 01:19:43,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-19 01:19:43,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-19 01:19:43,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-19 01:19:43,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-19 01:19:43,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-19 01:19:43,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:19:43,477 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-19 01:19:43,477 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) [2024-10-19 01:19:43,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-19 01:19:43,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-19 01:19:43,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-19 01:20:09,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1543122946, now seen corresponding path program 1 times [2024-10-19 01:20:09,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:20:09,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:20:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:20:09,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:20:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:20:26,476 INFO L85 PathProgramCache]: Analyzing trace with hash 604446313, now seen corresponding path program 1 times [2024-10-19 01:20:26,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:20:26,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:20:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:20:26,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:20:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:20:44,126 INFO L85 PathProgramCache]: Analyzing trace with hash 158077579, now seen corresponding path program 1 times [2024-10-19 01:20:44,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:20:44,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:20:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:20:44,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-19 01:20:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-19 01:22:07,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1251325770, now seen corresponding path program 1 times [2024-10-19 01:22:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:22:07,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:22:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:22:07,865 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 01:22:07,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:22:07,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:22:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:22:07,924 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 01:22:07,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-19 01:22:07,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-19 01:24:01,467 INFO L85 PathProgramCache]: Analyzing trace with hash 359212622, now seen corresponding path program 1 times [2024-10-19 01:24:01,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:24:01,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:24:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:24:01,831 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 01:24:01,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-19 01:24:01,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-19 01:24:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-19 01:24:02,303 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 01:24:02,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-19 01:24:02,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 Killed by 15