./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix045_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 DEFAULT --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/mix045_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 ac99c7435b3707a16823c102e546d1d8821c1d75e1c740ce64249f2f34cab350 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --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 [2024-10-18 20:01:44,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 20:01:44,657 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 20:01:44,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 20:01:44,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 20:01:44,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 20:01:44,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 20:01:44,685 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 20:01:44,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 20:01:44,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 20:01:44,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 20:01:44,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 20:01:44,689 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 20:01:44,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 20:01:44,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 20:01:44,693 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 20:01:44,693 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 20:01:44,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 20:01:44,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 20:01:44,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 20:01:44,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 20:01:44,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 20:01:44,694 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 20:01:44,694 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 20:01:44,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 20:01:44,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 20:01:44,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 20:01:44,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 20:01:44,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 20:01:44,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 20:01:44,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 20:01:44,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 20:01:44,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 20:01:44,697 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 20:01:44,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 20:01:44,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 20:01:44,697 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 20:01:44,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 20:01:44,698 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 20:01:44,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 20:01:44,698 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 20:01:44,699 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 -> ac99c7435b3707a16823c102e546d1d8821c1d75e1c740ce64249f2f34cab350 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 -> DEFAULT 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 [2024-10-18 20:01:44,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 20:01:44,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 20:01:44,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 20:01:44,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 20:01:44,970 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 20:01:44,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix045_power.oepc_pso.oepc_rmo.oepc.i [2024-10-18 20:01:46,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 20:01:46,662 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 20:01:46,663 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix045_power.oepc_pso.oepc_rmo.oepc.i [2024-10-18 20:01:46,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b6af688b0/e9eb06d4ab774fa7b6c1f1258692a8ef/FLAG63670ddc0 [2024-10-18 20:01:46,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b6af688b0/e9eb06d4ab774fa7b6c1f1258692a8ef [2024-10-18 20:01:46,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 20:01:46,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 20:01:46,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 20:01:46,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 20:01:46,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 20:01:46,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:01:46" (1/1) ... [2024-10-18 20:01:46,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d3183f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:46, skipping insertion in model container [2024-10-18 20:01:46,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:01:46" (1/1) ... [2024-10-18 20:01:46,805 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 20:01:47,002 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/mix045_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2024-10-18 20:01:47,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 20:01:47,230 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 20:01:47,243 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/mix045_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2024-10-18 20:01:47,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 20:01:47,333 INFO L204 MainTranslator]: Completed translation [2024-10-18 20:01:47,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:47 WrapperNode [2024-10-18 20:01:47,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 20:01:47,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 20:01:47,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 20:01:47,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 20:01:47,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:47" (1/1) ... [2024-10-18 20:01:47,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:47" (1/1) ... [2024-10-18 20:01:47,395 INFO L138 Inliner]: procedures = 175, calls = 46, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 116 [2024-10-18 20:01:47,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 20:01:47,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 20:01:47,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 20:01:47,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 20:01:47,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:47" (1/1) ... [2024-10-18 20:01:47,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:47" (1/1) ... [2024-10-18 20:01:47,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:47" (1/1) ... [2024-10-18 20:01:47,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:47" (1/1) ... [2024-10-18 20:01:47,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:47" (1/1) ... [2024-10-18 20:01:47,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:47" (1/1) ... [2024-10-18 20:01:47,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:47" (1/1) ... [2024-10-18 20:01:47,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:47" (1/1) ... [2024-10-18 20:01:47,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 20:01:47,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 20:01:47,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 20:01:47,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 20:01:47,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:47" (1/1) ... [2024-10-18 20:01:47,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 20:01:47,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 20:01:47,489 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) [2024-10-18 20:01:47,492 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 [2024-10-18 20:01:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 20:01:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 20:01:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 20:01:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 20:01:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 20:01:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 20:01:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 20:01:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 20:01:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 20:01:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 20:01:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 20:01:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 20:01:47,542 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 20:01:47,705 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 20:01:47,707 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 20:01:48,065 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 20:01:48,066 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 20:01:48,315 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 20:01:48,316 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 20:01:48,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:01:48 BoogieIcfgContainer [2024-10-18 20:01:48,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 20:01:48,320 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 20:01:48,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 20:01:48,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 20:01:48,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 08:01:46" (1/3) ... [2024-10-18 20:01:48,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c7b05e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:01:48, skipping insertion in model container [2024-10-18 20:01:48,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:01:47" (2/3) ... [2024-10-18 20:01:48,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c7b05e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:01:48, skipping insertion in model container [2024-10-18 20:01:48,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:01:48" (3/3) ... [2024-10-18 20:01:48,328 INFO L112 eAbstractionObserver]: Analyzing ICFG mix045_power.oepc_pso.oepc_rmo.oepc.i [2024-10-18 20:01:48,342 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 20:01:48,342 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-18 20:01:48,343 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 20:01:48,419 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 20:01:48,470 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 20:01:48,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 20:01:48,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 20:01:48,473 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) [2024-10-18 20:01:48,475 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 [2024-10-18 20:01:48,577 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 20:01:48,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:01:48,600 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 20:01:48,607 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;@22b03c19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 20:01:48,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 20:02:09,712 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)] === [2024-10-18 20:02:09,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:02:09,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1270743866, now seen corresponding path program 1 times [2024-10-18 20:02:09,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:02:09,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615015821] [2024-10-18 20:02:09,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:02:09,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:02:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:02:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:02:10,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:02:10,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615015821] [2024-10-18 20:02:10,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615015821] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:02:10,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:02:10,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 20:02:10,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516067404] [2024-10-18 20:02:10,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:02:10,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 20:02:10,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:02:10,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 20:02:10,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 20:02:10,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:02:10,617 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:02:10,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-10-18 20:02:10,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:02:14,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1711740342, now seen corresponding path program 1 times [2024-10-18 20:02:14,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:02:14,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:02:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:02:14,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:02:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:02:14,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:02:14,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-18 20:02:14,473 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)] === [2024-10-18 20:02:14,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:02:14,475 INFO L85 PathProgramCache]: Analyzing trace with hash -116194550, now seen corresponding path program 1 times [2024-10-18 20:02:14,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:02:14,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589854623] [2024-10-18 20:02:14,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:02:14,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:02:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:02:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:02:14,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:02:14,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589854623] [2024-10-18 20:02:14,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589854623] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:02:14,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:02:14,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 20:02:14,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647579560] [2024-10-18 20:02:14,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:02:14,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 20:02:14,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:02:14,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 20:02:14,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 20:02:14,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:02:14,902 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:02:14,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2024-10-18 20:02:14,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:02:14,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:02:15,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1711740349, now seen corresponding path program 1 times [2024-10-18 20:02:15,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:02:15,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:02:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:02:15,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:02:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:02:15,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1403865916, now seen corresponding path program 1 times [2024-10-18 20:02:15,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:02:15,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:02:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:02:15,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:02:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:02:17,272 INFO L85 PathProgramCache]: Analyzing trace with hash 134842932, now seen corresponding path program 1 times [2024-10-18 20:02:17,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:02:17,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:02:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:02:18,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:02:18,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:02:18,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:02:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:02:18,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:02:18,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 20:02:18,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-18 20:02:19,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1711740372, now seen corresponding path program 1 times [2024-10-18 20:02:19,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:02:19,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:02:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:02:19,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:02:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:02:19,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1403865893, now seen corresponding path program 1 times [2024-10-18 20:02:19,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:02:19,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:02:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:02:19,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:02:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:03:02,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1657921795, now seen corresponding path program 1 times [2024-10-18 20:03:02,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:03:02,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:03:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:03:02,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:03:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:03:31,123 INFO L85 PathProgramCache]: Analyzing trace with hash 86110771, now seen corresponding path program 1 times [2024-10-18 20:03:31,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:03:31,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:03:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:03:31,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:03:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:03:49,091 INFO L85 PathProgramCache]: Analyzing trace with hash 419524149, now seen corresponding path program 1 times [2024-10-18 20:03:49,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:03:49,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:03:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:03:49,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:03:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:04:15,626 INFO L85 PathProgramCache]: Analyzing trace with hash 949372798, now seen corresponding path program 1 times [2024-10-18 20:04:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:04:15,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:04:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:04:15,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:04:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:04:32,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1001501096, now seen corresponding path program 1 times [2024-10-18 20:04:32,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:04:32,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:04:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:04:32,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 20:04:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 20:06:53,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1864226047, now seen corresponding path program 1 times [2024-10-18 20:06:53,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:06:53,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:06:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:06:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:06:53,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:06:53,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:06:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:06:53,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:06:53,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 20:06:53,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-18 20:11:35,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:11:35,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 20:11:35,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-10-18 20:11:35,981 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)] === [2024-10-18 20:11:35,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 20:11:35,981 INFO L85 PathProgramCache]: Analyzing trace with hash -873720674, now seen corresponding path program 2 times [2024-10-18 20:11:35,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 20:11:35,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291733702] [2024-10-18 20:11:35,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 20:11:35,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 20:11:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 20:11:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 20:11:36,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 20:11:36,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291733702] [2024-10-18 20:11:36,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291733702] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 20:11:36,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 20:11:36,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 20:11:36,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131086849] [2024-10-18 20:11:36,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 20:11:36,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 20:11:36,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 20:11:36,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 20:11:36,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 20:11:36,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 20:11:36,262 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 20:11:36,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2024-10-18 20:11:36,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 20:11:36,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 20:11:36,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15