./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix008.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/mix008.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 0e3ed0a0904abf0f880f0f4cc8dc485f79821c4ff1d089df229be68889497ed8 --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 18:57:54,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 18:57:54,719 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 18:57:54,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 18:57:54,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 18:57:54,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 18:57:54,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 18:57:54,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 18:57:54,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 18:57:54,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 18:57:54,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 18:57:54,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 18:57:54,753 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 18:57:54,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 18:57:54,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 18:57:54,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 18:57:54,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 18:57:54,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 18:57:54,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 18:57:54,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 18:57:54,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 18:57:54,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 18:57:54,760 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 18:57:54,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 18:57:54,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 18:57:54,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 18:57:54,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 18:57:54,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 18:57:54,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 18:57:54,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 18:57:54,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 18:57:54,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 18:57:54,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 18:57:54,762 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 18:57:54,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 18:57:54,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 18:57:54,763 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 18:57:54,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 18:57:54,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 18:57:54,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 18:57:54,763 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 18:57:54,764 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 -> 0e3ed0a0904abf0f880f0f4cc8dc485f79821c4ff1d089df229be68889497ed8 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 18:57:54,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 18:57:55,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 18:57:55,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 18:57:55,024 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 18:57:55,028 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 18:57:55,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008.opt.i [2024-10-18 18:57:56,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 18:57:56,494 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 18:57:56,495 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008.opt.i [2024-10-18 18:57:56,512 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8ad3b0538/f7136c69b3da45b4bb3147c9baa3ce80/FLAG1ed52413e [2024-10-18 18:57:56,835 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8ad3b0538/f7136c69b3da45b4bb3147c9baa3ce80 [2024-10-18 18:57:56,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 18:57:56,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 18:57:56,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 18:57:56,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 18:57:56,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 18:57:56,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 06:57:56" (1/1) ... [2024-10-18 18:57:56,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c3bd1b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:56, skipping insertion in model container [2024-10-18 18:57:56,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 06:57:56" (1/1) ... [2024-10-18 18:57:56,880 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 18:57:57,077 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/mix008.opt.i[944,957] [2024-10-18 18:57:57,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 18:57:57,226 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 18:57:57,236 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/mix008.opt.i[944,957] [2024-10-18 18:57:57,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 18:57:57,309 INFO L204 MainTranslator]: Completed translation [2024-10-18 18:57:57,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:57 WrapperNode [2024-10-18 18:57:57,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 18:57:57,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 18:57:57,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 18:57:57,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 18:57:57,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:57" (1/1) ... [2024-10-18 18:57:57,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:57" (1/1) ... [2024-10-18 18:57:57,353 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 150 [2024-10-18 18:57:57,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 18:57:57,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 18:57:57,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 18:57:57,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 18:57:57,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:57" (1/1) ... [2024-10-18 18:57:57,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:57" (1/1) ... [2024-10-18 18:57:57,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:57" (1/1) ... [2024-10-18 18:57:57,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:57" (1/1) ... [2024-10-18 18:57:57,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:57" (1/1) ... [2024-10-18 18:57:57,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:57" (1/1) ... [2024-10-18 18:57:57,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:57" (1/1) ... [2024-10-18 18:57:57,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:57" (1/1) ... [2024-10-18 18:57:57,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 18:57:57,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 18:57:57,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 18:57:57,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 18:57:57,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:57" (1/1) ... [2024-10-18 18:57:57,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 18:57:57,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:57:57,422 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 18:57:57,437 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 18:57:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 18:57:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 18:57:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 18:57:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 18:57:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 18:57:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 18:57:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 18:57:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 18:57:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-18 18:57:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-18 18:57:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 18:57:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 18:57:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 18:57:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 18:57:57,471 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 18:57:57,582 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 18:57:57,584 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 18:57:57,876 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 18:57:57,877 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 18:57:58,035 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 18:57:58,035 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 18:57:58,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:57:58 BoogieIcfgContainer [2024-10-18 18:57:58,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 18:57:58,038 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 18:57:58,038 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 18:57:58,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 18:57:58,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 06:57:56" (1/3) ... [2024-10-18 18:57:58,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d888e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 06:57:58, skipping insertion in model container [2024-10-18 18:57:58,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 06:57:57" (2/3) ... [2024-10-18 18:57:58,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d888e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 06:57:58, skipping insertion in model container [2024-10-18 18:57:58,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 06:57:58" (3/3) ... [2024-10-18 18:57:58,043 INFO L112 eAbstractionObserver]: Analyzing ICFG mix008.opt.i [2024-10-18 18:57:58,057 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 18:57:58,057 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-18 18:57:58,057 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 18:57:58,098 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 18:57:58,133 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 18:57:58,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 18:57:58,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 18:57:58,136 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 18:57:58,137 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 18:57:58,212 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 18:57:58,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:57:58,228 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 18:57:58,233 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;@70917539, 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 18:57:58,233 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-18 18:58:07,909 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 18:58:07,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:58:07,910 INFO L85 PathProgramCache]: Analyzing trace with hash 2090954029, now seen corresponding path program 1 times [2024-10-18 18:58:07,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:58:07,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851889909] [2024-10-18 18:58:07,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:07,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:58:08,720 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 18:58:08,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:58:08,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851889909] [2024-10-18 18:58:08,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851889909] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:58:08,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:58:08,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 18:58:08,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091950660] [2024-10-18 18:58:08,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:58:08,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 18:58:08,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:58:08,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 18:58:08,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-18 18:58:08,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:58:08,748 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:58:08,749 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 18:58:08,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:58:17,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:58:17,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 18:58:17,702 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 18:58:17,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:58:17,702 INFO L85 PathProgramCache]: Analyzing trace with hash -921505864, now seen corresponding path program 1 times [2024-10-18 18:58:17,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:58:17,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021569787] [2024-10-18 18:58:17,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:17,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:58:18,016 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 18:58:18,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:58:18,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021569787] [2024-10-18 18:58:18,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021569787] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:58:18,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:58:18,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 18:58:18,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992697137] [2024-10-18 18:58:18,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:58:18,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 18:58:18,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:58:18,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 18:58:18,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-18 18:58:18,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:58:18,019 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:58:18,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 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 18:58:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:58:18,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:58:18,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1353903591, now seen corresponding path program 1 times [2024-10-18 18:58:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:18,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:18,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:58:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:18,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:58:18,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 18:58:18,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-18 18:58:18,392 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 18:58:18,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 18:58:18,392 INFO L85 PathProgramCache]: Analyzing trace with hash 961799632, now seen corresponding path program 1 times [2024-10-18 18:58:18,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 18:58:18,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101367211] [2024-10-18 18:58:18,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:18,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:58:18,670 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 18:58:18,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 18:58:18,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101367211] [2024-10-18 18:58:18,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101367211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 18:58:18,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 18:58:18,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 18:58:18,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133300267] [2024-10-18 18:58:18,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 18:58:18,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 18:58:18,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 18:58:18,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 18:58:18,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 18:58:18,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:58:18,673 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 18:58:18,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 18:58:18,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 18:58:18,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 18:58:18,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 18:58:18,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1353903584, now seen corresponding path program 1 times [2024-10-18 18:58:18,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:18,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:18,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:58:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:18,987 INFO L85 PathProgramCache]: Analyzing trace with hash 542060699, now seen corresponding path program 1 times [2024-10-18 18:58:18,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:18,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:58:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1421457649, now seen corresponding path program 1 times [2024-10-18 18:58:19,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:19,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:58:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,275 INFO L85 PathProgramCache]: Analyzing trace with hash 369789845, now seen corresponding path program 1 times [2024-10-18 18:58:19,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:19,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:58:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1927733764, now seen corresponding path program 1 times [2024-10-18 18:58:19,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:19,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:58:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1705377061, now seen corresponding path program 1 times [2024-10-18 18:58:19,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:19,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:58:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,657 INFO L85 PathProgramCache]: Analyzing trace with hash -162013778, now seen corresponding path program 1 times [2024-10-18 18:58:19,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:19,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:58:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1554527934, now seen corresponding path program 1 times [2024-10-18 18:58:19,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:19,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:58:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1750967908, now seen corresponding path program 1 times [2024-10-18 18:58:19,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:19,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:19,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:58:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:24,172 INFO L85 PathProgramCache]: Analyzing trace with hash -2057568120, now seen corresponding path program 1 times [2024-10-18 18:58:24,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:24,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:58:24,207 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 18:58:24,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:24,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 18:58:24,240 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 18:58:24,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 18:58:24,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 18:58:47,223 INFO L85 PathProgramCache]: Analyzing trace with hash 639891582, now seen corresponding path program 1 times [2024-10-18 18:58:47,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:58:47,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:58:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:58:47,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:58:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:59:34,610 INFO L85 PathProgramCache]: Analyzing trace with hash 755185448, now seen corresponding path program 1 times [2024-10-18 18:59:34,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 18:59:34,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 18:59:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 18:59:34,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 18:59:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:00:05,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1127310187, now seen corresponding path program 1 times [2024-10-18 19:00:05,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:00:05,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:00:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:00:05,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:00:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:00:24,574 INFO L85 PathProgramCache]: Analyzing trace with hash 657535641, now seen corresponding path program 1 times [2024-10-18 19:00:24,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:00:24,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:00:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:00:24,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:00:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:00:42,971 INFO L85 PathProgramCache]: Analyzing trace with hash -117274930, now seen corresponding path program 1 times [2024-10-18 19:00:42,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:00:42,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:00:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:00:42,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:00:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:01:03,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1519865832, now seen corresponding path program 1 times [2024-10-18 19:01:03,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:01:03,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:01:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:01:03,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:01:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:01:23,200 INFO L85 PathProgramCache]: Analyzing trace with hash -302691846, now seen corresponding path program 1 times [2024-10-18 19:01:23,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:01:23,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:01:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:01:23,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:01:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:02:05,729 INFO L85 PathProgramCache]: Analyzing trace with hash 292161332, now seen corresponding path program 1 times [2024-10-18 19:02:05,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:02:05,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:02:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:02:05,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:02:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:02:56,598 INFO L85 PathProgramCache]: Analyzing trace with hash 292647902, now seen corresponding path program 1 times [2024-10-18 19:02:56,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:02:56,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:02:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:02:56,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:02:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:03:26,897 INFO L85 PathProgramCache]: Analyzing trace with hash -927208117, now seen corresponding path program 1 times [2024-10-18 19:03:26,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:03:26,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:03:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:03:26,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:03:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:03:47,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1897265606, now seen corresponding path program 1 times [2024-10-18 19:03:47,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:03:47,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:03:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:03:47,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:03:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:04:18,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:04:18,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:04:18,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:04:18,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable3,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable22,SelfDestructingSolverStorable12,SelfDestructingSolverStorable23,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable24,SelfDestructingSolverStorable14,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 19:04:18,846 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 19:04:18,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:04:18,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1875360048, now seen corresponding path program 2 times [2024-10-18 19:04:18,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:04:18,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173504061] [2024-10-18 19:04:18,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:04:18,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:04:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:04:19,024 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 19:04:19,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:04:19,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173504061] [2024-10-18 19:04:19,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173504061] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:04:19,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:04:19,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 19:04:19,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543515476] [2024-10-18 19:04:19,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:04:19,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 19:04:19,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:04:19,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 19:04:19,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 19:04:19,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:04:19,026 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:04:19,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 19:04:19,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:04:19,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:04:19,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:04:19,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:07:06,865 INFO L85 PathProgramCache]: Analyzing trace with hash -927206997, now seen corresponding path program 1 times [2024-10-18 19:07:06,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:07:06,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:07:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:07:06,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:07:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:09:10,460 INFO L85 PathProgramCache]: Analyzing trace with hash 294435244, now seen corresponding path program 1 times [2024-10-18 19:09:10,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:09:10,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:09:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:09:10,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:09:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:09:10,560 INFO L85 PathProgramCache]: Analyzing trace with hash 322643862, now seen corresponding path program 1 times [2024-10-18 19:09:10,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:09:10,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:09:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:09:10,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:09:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:09:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:09:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:09:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:09:10,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:09:10,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-18 19:09:10,683 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-10-18 19:09:10,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 19:09:10,683 INFO L85 PathProgramCache]: Analyzing trace with hash -670137740, now seen corresponding path program 3 times [2024-10-18 19:09:10,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 19:09:10,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610446408] [2024-10-18 19:09:10,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:09:10,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:09:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 19:09:10,841 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 19:09:10,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 19:09:10,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610446408] [2024-10-18 19:09:10,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610446408] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 19:09:10,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 19:09:10,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 19:09:10,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707160983] [2024-10-18 19:09:10,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 19:09:10,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 19:09:10,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 19:09:10,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 19:09:10,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 19:09:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:09:10,845 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 19:09:10,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 19:09:10,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 19:09:10,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 19:09:10,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:09:10,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 19:09:10,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 19:11:47,728 INFO L85 PathProgramCache]: Analyzing trace with hash -927205230, now seen corresponding path program 1 times [2024-10-18 19:11:47,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 19:11:47,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 19:11:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 19:11:47,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 19:11:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat Killed by 15