./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.opt.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/mix026_pso.opt_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0c922061e4dc1feb6389a43fa3f654e69e326084cac4d5446a529710663ff29 --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 19:31:35,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 19:31:35,332 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 19:31:35,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 19:31:35,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 19:31:35,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 19:31:35,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 19:31:35,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 19:31:35,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 19:31:35,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 19:31:35,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 19:31:35,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 19:31:35,372 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 19:31:35,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 19:31:35,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 19:31:35,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 19:31:35,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 19:31:35,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 19:31:35,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 19:31:35,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 19:31:35,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 19:31:35,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 19:31:35,377 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 19:31:35,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 19:31:35,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 19:31:35,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 19:31:35,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 19:31:35,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 19:31:35,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 19:31:35,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 19:31:35,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 19:31:35,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 19:31:35,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 19:31:35,383 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 19:31:35,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 19:31:35,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 19:31:35,384 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 19:31:35,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 19:31:35,386 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 19:31:35,386 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 19:31:35,386 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 19:31:35,387 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 -> a0c922061e4dc1feb6389a43fa3f654e69e326084cac4d5446a529710663ff29 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 19:31:35,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 19:31:35,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 19:31:35,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 19:31:35,713 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 19:31:35,714 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 19:31:35,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.opt.i [2024-10-18 19:31:37,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 19:31:37,302 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 19:31:37,302 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.opt.i [2024-10-18 19:31:37,316 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/35ddf5170/ce6ed8d5e7794a45a24192126fe6b6a0/FLAGa3b0f3284 [2024-10-18 19:31:37,594 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/35ddf5170/ce6ed8d5e7794a45a24192126fe6b6a0 [2024-10-18 19:31:37,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 19:31:37,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 19:31:37,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 19:31:37,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 19:31:37,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 19:31:37,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 07:31:37" (1/1) ... [2024-10-18 19:31:37,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73fa1277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:37, skipping insertion in model container [2024-10-18 19:31:37,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 07:31:37" (1/1) ... [2024-10-18 19:31:37,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 19:31:37,852 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/mix026_pso.opt_rmo.opt.i[956,969] [2024-10-18 19:31:38,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 19:31:38,086 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 19:31:38,100 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.opt.i[956,969] [2024-10-18 19:31:38,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 19:31:38,186 INFO L204 MainTranslator]: Completed translation [2024-10-18 19:31:38,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:38 WrapperNode [2024-10-18 19:31:38,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 19:31:38,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 19:31:38,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 19:31:38,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 19:31:38,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:38" (1/1) ... [2024-10-18 19:31:38,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:38" (1/1) ... [2024-10-18 19:31:38,257 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 128 [2024-10-18 19:31:38,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 19:31:38,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 19:31:38,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 19:31:38,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 19:31:38,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:38" (1/1) ... [2024-10-18 19:31:38,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:38" (1/1) ... [2024-10-18 19:31:38,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:38" (1/1) ... [2024-10-18 19:31:38,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:38" (1/1) ... [2024-10-18 19:31:38,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:38" (1/1) ... [2024-10-18 19:31:38,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:38" (1/1) ... [2024-10-18 19:31:38,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:38" (1/1) ... [2024-10-18 19:31:38,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:38" (1/1) ... [2024-10-18 19:31:38,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 19:31:38,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 19:31:38,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 19:31:38,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 19:31:38,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:38" (1/1) ... [2024-10-18 19:31:38,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 19:31:38,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 19:31:38,353 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 19:31:38,362 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 19:31:38,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 19:31:38,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 19:31:38,416 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 19:31:38,416 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 19:31:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 19:31:38,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 19:31:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 19:31:38,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 19:31:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-18 19:31:38,418 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-18 19:31:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 19:31:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 19:31:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 19:31:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 19:31:38,422 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 19:31:38,560 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 19:31:38,563 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 19:31:38,853 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 19:31:38,854 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 19:31:39,052 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 19:31:39,053 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 19:31:39,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 07:31:39 BoogieIcfgContainer [2024-10-18 19:31:39,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 19:31:39,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 19:31:39,057 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 19:31:39,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 19:31:39,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 07:31:37" (1/3) ... [2024-10-18 19:31:39,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d150ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 07:31:39, skipping insertion in model container [2024-10-18 19:31:39,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 07:31:38" (2/3) ... [2024-10-18 19:31:39,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d150ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 07:31:39, skipping insertion in model container [2024-10-18 19:31:39,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 07:31:39" (3/3) ... [2024-10-18 19:31:39,064 INFO L112 eAbstractionObserver]: Analyzing ICFG mix026_pso.opt_rmo.opt.i [2024-10-18 19:31:39,081 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 19:31:39,081 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-18 19:31:39,081 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 19:31:39,166 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 19:31:39,212 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 19:31:39,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 19:31:39,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 19:31:39,214 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 19:31:39,215 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 19:31:39,303 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 19:31:39,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:31:39,327 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork2 ======== [2024-10-18 19:31:39,334 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;@64b1ef9c, 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 19:31:39,335 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-18 19:31:57,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 19:31:57,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:31:57,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1625213489, now seen corresponding path program 1 times [2024-10-18 19:31:57,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:31:57,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444687880] [2024-10-18 19:31:57,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:31:57,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:31:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:31:58,215 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 19:31:58,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:31:58,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444687880] [2024-10-18 19:31:58,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444687880] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:31:58,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:31:58,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 19:31:58,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531296739] [2024-10-18 19:31:58,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:31:58,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 19:31:58,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:31:58,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 19:31:58,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-18 19:31:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:31:58,248 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:31:58,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 19:31:58,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:32:03,140 INFO L85 PathProgramCache]: Analyzing trace with hash 159211723, now seen corresponding path program 1 times [2024-10-18 19:32:03,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:32:03,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:32:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:32:03,268 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 19:32:03,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:32:03,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:32:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:32:03,369 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 19:32:03,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 19:32:03,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-18 19:32:11,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1935772874, now seen corresponding path program 1 times [2024-10-18 19:32:11,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:32:11,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:32:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:32:11,208 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 19:32:11,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:32:11,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:32:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:32:11,361 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 19:32:11,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 19:32:11,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 19:32:11,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1032276980, now seen corresponding path program 1 times [2024-10-18 19:32:11,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:32:11,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:32:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:32:11,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:32:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:32:11,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1418772998, now seen corresponding path program 1 times [2024-10-18 19:32:11,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:32:11,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:32:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:32:11,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:32:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:32:11,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1201158227, now seen corresponding path program 1 times [2024-10-18 19:32:11,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:32:11,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:32:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:32:11,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:32:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:32:12,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1798367076, now seen corresponding path program 1 times [2024-10-18 19:32:12,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:32:12,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:32:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:32:12,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:32:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:32:12,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1743103920, now seen corresponding path program 1 times [2024-10-18 19:32:12,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:32:12,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:32:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:32:12,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:32:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:28,290 INFO L85 PathProgramCache]: Analyzing trace with hash -267846351, now seen corresponding path program 1 times [2024-10-18 19:33:28,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:33:28,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:33:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:28,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:33:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:29,848 INFO L85 PathProgramCache]: Analyzing trace with hash 407010817, now seen corresponding path program 1 times [2024-10-18 19:33:29,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:33:29,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:33:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:29,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:33:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:29,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1537173482, now seen corresponding path program 1 times [2024-10-18 19:33:29,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:33:29,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:33:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:29,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:33:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:30,001 INFO L85 PathProgramCache]: Analyzing trace with hash 362205161, now seen corresponding path program 1 times [2024-10-18 19:33:30,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:33:30,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:33:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:30,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:33:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:30,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1535713725, now seen corresponding path program 1 times [2024-10-18 19:33:30,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:33:30,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:33:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:33:30,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:33:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:22,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:34:22,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-18 19:34:22,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-10-18 19:34:22,530 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-18 19:34:22,532 INFO L312 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork2 was SAFE (1/2) [2024-10-18 19:34:22,535 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 19:34:22,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 19:34:22,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 19:34:22,537 INFO L229 MonitoredProcess]: Starting monitored process 3 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 19:34:22,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-10-18 19:34:22,577 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 19:34:22,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:34:22,577 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 19:34:22,578 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;@64b1ef9c, 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 19:34:22,578 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-18 19:34:42,349 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 2 more)] === [2024-10-18 19:34:42,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:34:42,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1842634683, now seen corresponding path program 1 times [2024-10-18 19:34:42,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:34:42,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493936903] [2024-10-18 19:34:42,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:42,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:34:42,874 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 19:34:42,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:34:42,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493936903] [2024-10-18 19:34:42,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493936903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:34:42,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:34:42,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 19:34:42,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805281755] [2024-10-18 19:34:42,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:34:42,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 19:34:42,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:34:42,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 19:34:42,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-18 19:34:42,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:34:42,878 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:34:42,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 19:34:42,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:34:47,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:34:47,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-18 19:34:47,090 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 2 more)] === [2024-10-18 19:34:47,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:34:47,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1489871774, now seen corresponding path program 1 times [2024-10-18 19:34:47,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:34:47,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56452406] [2024-10-18 19:34:47,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:47,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:34:47,319 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 19:34:47,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:34:47,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56452406] [2024-10-18 19:34:47,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56452406] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:34:47,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:34:47,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 19:34:47,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349379966] [2024-10-18 19:34:47,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:34:47,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 19:34:47,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:34:47,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 19:34:47,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-18 19:34:47,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:34:47,322 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:34:47,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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 19:34:47,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:34:47,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:34:47,543 INFO L85 PathProgramCache]: Analyzing trace with hash 982276559, now seen corresponding path program 1 times [2024-10-18 19:34:47,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:47,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:47,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:47,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:34:47,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:34:47,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 19:34:47,687 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 2 more)] === [2024-10-18 19:34:47,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:34:47,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1547681928, now seen corresponding path program 1 times [2024-10-18 19:34:47,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:34:47,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976410792] [2024-10-18 19:34:47,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:47,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:34:47,994 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 19:34:47,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:34:47,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976410792] [2024-10-18 19:34:47,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976410792] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:34:47,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:34:47,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 19:34:47,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102606218] [2024-10-18 19:34:47,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:34:47,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 19:34:47,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:34:47,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 19:34:47,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 19:34:47,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:34:47,997 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:34:47,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 19:34:47,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:34:47,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:34:47,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:34:48,141 INFO L85 PathProgramCache]: Analyzing trace with hash 982276566, now seen corresponding path program 1 times [2024-10-18 19:34:48,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:48,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:48,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:48,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2041682918, now seen corresponding path program 1 times [2024-10-18 19:34:48,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:48,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:48,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:48,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1168112995, now seen corresponding path program 1 times [2024-10-18 19:34:48,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:48,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:48,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:48,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1700249865, now seen corresponding path program 1 times [2024-10-18 19:34:48,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:48,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:48,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:48,798 INFO L85 PathProgramCache]: Analyzing trace with hash -914983268, now seen corresponding path program 1 times [2024-10-18 19:34:48,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:48,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:48,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:48,987 INFO L85 PathProgramCache]: Analyzing trace with hash -448573339, now seen corresponding path program 1 times [2024-10-18 19:34:48,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:48,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:49,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:49,132 INFO L85 PathProgramCache]: Analyzing trace with hash -148176679, now seen corresponding path program 1 times [2024-10-18 19:34:49,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:49,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:49,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:49,293 INFO L85 PathProgramCache]: Analyzing trace with hash 684319206, now seen corresponding path program 1 times [2024-10-18 19:34:49,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:49,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:49,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:49,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1823190972, now seen corresponding path program 1 times [2024-10-18 19:34:49,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:49,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:49,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:34:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:34:53,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1311421476, now seen corresponding path program 1 times [2024-10-18 19:34:53,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:53,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:34:53,901 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 19:34:53,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:34:53,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:34:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:34:53,958 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 19:34:53,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 19:34:53,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 19:35:10,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1796333873, now seen corresponding path program 1 times [2024-10-18 19:35:10,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:35:10,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:35:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:35:10,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:35:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:35:12,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1201156913, now seen corresponding path program 1 times [2024-10-18 19:35:12,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:35:12,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:35:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:35:12,537 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 19:35:12,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:35:12,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:35:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:35:12,629 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 19:35:12,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 19:35:12,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 19:35:25,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1796333741, now seen corresponding path program 1 times [2024-10-18 19:35:25,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:35:25,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:35:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:35:25,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:35:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:35:42,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1934543399, now seen corresponding path program 1 times [2024-10-18 19:35:42,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:35:42,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:35:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:35:42,682 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:35:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:35:58,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1518342640, now seen corresponding path program 1 times [2024-10-18 19:35:58,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:35:58,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:35:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:35:58,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:35:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:36:14,063 INFO L85 PathProgramCache]: Analyzing trace with hash -316275522, now seen corresponding path program 1 times [2024-10-18 19:36:14,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:36:14,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:36:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:36:14,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:36:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:36:54,085 INFO L85 PathProgramCache]: Analyzing trace with hash 570163412, now seen corresponding path program 1 times [2024-10-18 19:36:54,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:36:54,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:36:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:36:54,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:36:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:39:48,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1049182837, now seen corresponding path program 1 times [2024-10-18 19:39:48,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:39:48,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:39:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:39:48,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:39:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:40:06,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1835117825, now seen corresponding path program 1 times [2024-10-18 19:40:06,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:40:06,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:40:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:40:06,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:40:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:41:36,470 INFO L85 PathProgramCache]: Analyzing trace with hash -468454576, now seen corresponding path program 1 times [2024-10-18 19:41:36,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:41:36,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:41:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:41:36,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:41:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:41:36,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1262026922, now seen corresponding path program 1 times [2024-10-18 19:41:36,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:41:36,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:41:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:41:36,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:41:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:41:36,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:41:36,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:41:36,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 19:41:36,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable30,SelfDestructingSolverStorable41,SelfDestructingSolverStorable20,SelfDestructingSolverStorable31,SelfDestructingSolverStorable18,SelfDestructingSolverStorable29,SelfDestructingSolverStorable19,SelfDestructingSolverStorable21,SelfDestructingSolverStorable32,SelfDestructingSolverStorable22,SelfDestructingSolverStorable33,SelfDestructingSolverStorable23,SelfDestructingSolverStorable34,SelfDestructingSolverStorable24,SelfDestructingSolverStorable35,SelfDestructingSolverStorable25,SelfDestructingSolverStorable36,SelfDestructingSolverStorable26,SelfDestructingSolverStorable37,SelfDestructingSolverStorable27,SelfDestructingSolverStorable38,SelfDestructingSolverStorable28,SelfDestructingSolverStorable39 [2024-10-18 19:41:36,624 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 19:41:36,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:41:36,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1756074004, now seen corresponding path program 2 times [2024-10-18 19:41:36,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:41:36,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049523527] [2024-10-18 19:41:36,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:41:36,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:41:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:41:37,859 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 19:41:37,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:41:37,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049523527] [2024-10-18 19:41:37,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049523527] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:41:37,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:41:37,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-18 19:41:37,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155443018] [2024-10-18 19:41:37,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:41:37,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-18 19:41:37,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:41:37,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-18 19:41:37,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-18 19:41:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:41:37,862 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:41:37,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 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 19:41:37,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:41:37,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:41:37,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 19:41:37,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:42:48,868 INFO L85 PathProgramCache]: Analyzing trace with hash 570164477, now seen corresponding path program 1 times [2024-10-18 19:42:48,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:42:48,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:42:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:42:48,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:42:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat Killed by 15