./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis PERSISTENT_SETS --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6f232940 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c -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 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis PERSISTENT_SETS --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6f23294-m [2025-03-20 03:33:59,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-20 03:33:59,117 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-03-20 03:33:59,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-20 03:33:59,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-20 03:33:59,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-20 03:33:59,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-20 03:33:59,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-20 03:33:59,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-20 03:33:59,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-20 03:33:59,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * Use SBE=true [2025-03-20 03:33:59,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-20 03:33:59,147 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-20 03:33:59,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-20 03:33:59,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-20 03:33:59,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-20 03:33:59,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-20 03:33:59,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-20 03:33:59,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-20 03:33:59,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-20 03:33:59,151 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-20 03:33:59,151 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-03-20 03:33:59,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-20 03:33:59,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-20 03:33:59,151 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-03-20 03:33:59,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-20 03:33:59,151 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-03-20 03:33:59,151 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-03-20 03:33:59,151 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-03-20 03:33:59,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> PERSISTENT_SETS [2025-03-20 03:33:59,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-20 03:33:59,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-20 03:33:59,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-20 03:33:59,377 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-20 03:33:59,377 INFO L274 PluginConnector]: CDTParser initialized [2025-03-20 03:33:59,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c [2025-03-20 03:34:00,659 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/36b6075d8/961828cbff6a4fe99b9c60d2018a4723/FLAG8be066ae3 [2025-03-20 03:34:00,795 INFO L389 CDTParser]: Found 1 translation units. [2025-03-20 03:34:00,795 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c [2025-03-20 03:34:00,802 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/36b6075d8/961828cbff6a4fe99b9c60d2018a4723/FLAG8be066ae3 [2025-03-20 03:34:01,657 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/36b6075d8/961828cbff6a4fe99b9c60d2018a4723 [2025-03-20 03:34:01,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-20 03:34:01,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-20 03:34:01,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-20 03:34:01,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-20 03:34:01,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-20 03:34:01,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97d007a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01, skipping insertion in model container [2025-03-20 03:34:01,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-20 03:34:01,833 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c[3066,3079] [2025-03-20 03:34:01,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-20 03:34:01,846 INFO L200 MainTranslator]: Completed pre-run [2025-03-20 03:34:01,880 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c[3066,3079] [2025-03-20 03:34:01,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-20 03:34:01,894 INFO L204 MainTranslator]: Completed translation [2025-03-20 03:34:01,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01 WrapperNode [2025-03-20 03:34:01,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-20 03:34:01,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-20 03:34:01,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-20 03:34:01,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-20 03:34:01,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,919 INFO L138 Inliner]: procedures = 21, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2025-03-20 03:34:01,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-20 03:34:01,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-20 03:34:01,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-20 03:34:01,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-20 03:34:01,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,931 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-20 03:34:01,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-20 03:34:01,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-20 03:34:01,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-20 03:34:01,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01" (1/1) ... [2025-03-20 03:34:01,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-20 03:34:01,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 03:34:01,959 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) [2025-03-20 03:34:01,961 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 [2025-03-20 03:34:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-20 03:34:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-20 03:34:01,975 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-20 03:34:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-20 03:34:01,975 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-20 03:34:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-20 03:34:01,975 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-20 03:34:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-20 03:34:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-20 03:34:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-20 03:34:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-20 03:34:01,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-20 03:34:01,976 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-20 03:34:02,036 INFO L234 CfgBuilder]: Building ICFG [2025-03-20 03:34:02,037 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-20 03:34:02,172 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-20 03:34:02,173 INFO L283 CfgBuilder]: Performing block encoding [2025-03-20 03:34:02,309 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-20 03:34:02,310 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-20 03:34:02,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 03:34:02 BoogieIcfgContainer [2025-03-20 03:34:02,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-20 03:34:02,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-20 03:34:02,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-20 03:34:02,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-20 03:34:02,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 03:34:01" (1/3) ... [2025-03-20 03:34:02,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb13361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 03:34:02, skipping insertion in model container [2025-03-20 03:34:02,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:34:01" (2/3) ... [2025-03-20 03:34:02,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb13361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 03:34:02, skipping insertion in model container [2025-03-20 03:34:02,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 03:34:02" (3/3) ... [2025-03-20 03:34:02,319 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2025-03-20 03:34:02,327 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-20 03:34:02,329 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-5.wvr.c that has 4 procedures, 33 locations, 33 edges, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-20 03:34:02,329 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-20 03:34:02,380 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-20 03:34:02,411 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-20 03:34:02,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-03-20 03:34:02,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 03:34:02,416 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) [2025-03-20 03:34:02,417 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 [2025-03-20 03:34:02,471 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-03-20 03:34:02,478 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-03-20 03:34:02,482 INFO L340 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;@73505d56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-20 03:34:02,483 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-20 03:34:02,815 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-20 03:34:02,818 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 03:34:02,819 INFO L85 PathProgramCache]: Analyzing trace with hash -201484291, now seen corresponding path program 1 times [2025-03-20 03:34:02,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 03:34:02,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516525031] [2025-03-20 03:34:02,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-20 03:34:02,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 03:34:02,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-20 03:34:02,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-20 03:34:02,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 03:34:02,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:34:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 03:34:03,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 03:34:03,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516525031] [2025-03-20 03:34:03,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516525031] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 03:34:03,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 03:34:03,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-20 03:34:03,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795967083] [2025-03-20 03:34:03,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 03:34:03,169 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-20 03:34:03,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 03:34:03,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-20 03:34:03,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-20 03:34:03,184 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:03,185 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 03:34:03,186 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2025-03-20 03:34:03,186 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:03,326 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:03,326 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-20 03:34:03,327 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-20 03:34:03,327 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 03:34:03,328 INFO L85 PathProgramCache]: Analyzing trace with hash -2084346180, now seen corresponding path program 1 times [2025-03-20 03:34:03,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 03:34:03,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726431959] [2025-03-20 03:34:03,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-20 03:34:03,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 03:34:03,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-20 03:34:03,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-20 03:34:03,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 03:34:03,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:34:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 03:34:03,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 03:34:03,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726431959] [2025-03-20 03:34:03,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726431959] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 03:34:03,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 03:34:03,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-20 03:34:03,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068592294] [2025-03-20 03:34:03,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 03:34:03,613 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-20 03:34:03,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 03:34:03,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-20 03:34:03,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-20 03:34:03,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:03,614 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 03:34:03,614 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 03:34:03,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:03,614 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:03,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:03,902 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:03,902 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-20 03:34:03,902 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-20 03:34:03,902 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 03:34:03,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1446041962, now seen corresponding path program 1 times [2025-03-20 03:34:03,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 03:34:03,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058235393] [2025-03-20 03:34:03,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-20 03:34:03,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 03:34:03,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-20 03:34:03,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-20 03:34:03,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 03:34:03,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:34:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-20 03:34:04,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 03:34:04,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058235393] [2025-03-20 03:34:04,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058235393] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 03:34:04,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813933502] [2025-03-20 03:34:04,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-20 03:34:04,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 03:34:04,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 03:34:04,217 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 03:34:04,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-20 03:34:04,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-20 03:34:04,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-20 03:34:04,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 03:34:04,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:34:04,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-20 03:34:04,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 03:34:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-20 03:34:04,443 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 03:34:04,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-20 03:34:04,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813933502] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-20 03:34:04,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-20 03:34:04,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 9] total 19 [2025-03-20 03:34:04,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999774645] [2025-03-20 03:34:04,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 03:34:04,632 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-20 03:34:04,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 03:34:04,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-20 03:34:04,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2025-03-20 03:34:04,633 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:04,633 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 03:34:04,634 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 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) [2025-03-20 03:34:04,634 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:04,634 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:04,634 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:04,950 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:04,950 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:04,950 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 03:34:04,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-20 03:34:05,155 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-03-20 03:34:05,155 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-20 03:34:05,155 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 03:34:05,156 INFO L85 PathProgramCache]: Analyzing trace with hash -2130710227, now seen corresponding path program 1 times [2025-03-20 03:34:05,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 03:34:05,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436615962] [2025-03-20 03:34:05,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-20 03:34:05,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 03:34:05,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-20 03:34:05,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-20 03:34:05,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 03:34:05,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:34:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-03-20 03:34:05,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 03:34:05,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436615962] [2025-03-20 03:34:05,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436615962] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 03:34:05,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 03:34:05,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-20 03:34:05,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983811453] [2025-03-20 03:34:05,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 03:34:05,408 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-20 03:34:05,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 03:34:05,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-20 03:34:05,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-20 03:34:05,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:05,408 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 03:34:05,409 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2025-03-20 03:34:05,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:05,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:05,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 03:34:05,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:05,511 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:05,511 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:05,511 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 03:34:05,511 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:05,511 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-20 03:34:05,511 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-20 03:34:05,512 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 03:34:05,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1295170191, now seen corresponding path program 2 times [2025-03-20 03:34:05,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 03:34:05,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542384823] [2025-03-20 03:34:05,512 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 03:34:05,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 03:34:05,519 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 84 statements into 2 equivalence classes. [2025-03-20 03:34:05,533 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 84 of 84 statements. [2025-03-20 03:34:05,533 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 03:34:05,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:34:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-20 03:34:05,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 03:34:05,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542384823] [2025-03-20 03:34:05,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542384823] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 03:34:05,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 03:34:05,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-20 03:34:05,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944756422] [2025-03-20 03:34:05,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 03:34:05,989 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-20 03:34:05,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 03:34:05,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-20 03:34:05,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2025-03-20 03:34:05,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:05,989 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 03:34:05,990 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.285714285714286) internal successors, (74), 13 states have internal predecessors, (74), 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) [2025-03-20 03:34:05,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:05,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:05,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 03:34:05,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:05,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:06,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:06,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:06,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-20 03:34:06,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:06,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 03:34:06,403 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-20 03:34:06,403 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-20 03:34:06,404 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 03:34:06,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1027567469, now seen corresponding path program 3 times [2025-03-20 03:34:06,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 03:34:06,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15401114] [2025-03-20 03:34:06,404 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 03:34:06,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 03:34:06,418 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 148 statements into 9 equivalence classes. [2025-03-20 03:34:06,433 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 64 of 148 statements. [2025-03-20 03:34:06,433 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-20 03:34:06,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:34:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2025-03-20 03:34:06,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 03:34:06,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15401114] [2025-03-20 03:34:06,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15401114] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 03:34:06,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963024797] [2025-03-20 03:34:06,573 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 03:34:06,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 03:34:06,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 03:34:06,574 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 03:34:06,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-20 03:34:06,623 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 148 statements into 9 equivalence classes. [2025-03-20 03:34:06,648 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 64 of 148 statements. [2025-03-20 03:34:06,648 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-20 03:34:06,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:34:06,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-20 03:34:06,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 03:34:06,746 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-03-20 03:34:06,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 03:34:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-03-20 03:34:06,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963024797] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-20 03:34:06,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-20 03:34:06,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2025-03-20 03:34:06,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077508921] [2025-03-20 03:34:06,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 03:34:06,830 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-20 03:34:06,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 03:34:06,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-20 03:34:06,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-20 03:34:06,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:06,830 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 03:34:06,831 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 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) [2025-03-20 03:34:06,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:06,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:06,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-20 03:34:06,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:06,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 03:34:06,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:07,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:07,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:07,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-20 03:34:07,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:07,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 03:34:07,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 03:34:07,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-20 03:34:07,244 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 03:34:07,244 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-20 03:34:07,245 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 03:34:07,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1977534372, now seen corresponding path program 4 times [2025-03-20 03:34:07,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 03:34:07,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096960870] [2025-03-20 03:34:07,246 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 03:34:07,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 03:34:07,269 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 288 statements into 2 equivalence classes. [2025-03-20 03:34:07,344 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 288 of 288 statements. [2025-03-20 03:34:07,344 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 03:34:07,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:34:09,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 978 proven. 293 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-03-20 03:34:09,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 03:34:09,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096960870] [2025-03-20 03:34:09,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096960870] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 03:34:09,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209529373] [2025-03-20 03:34:09,436 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 03:34:09,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 03:34:09,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 03:34:09,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 03:34:09,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-20 03:34:09,501 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 288 statements into 2 equivalence classes. [2025-03-20 03:34:09,574 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 288 of 288 statements. [2025-03-20 03:34:09,574 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 03:34:09,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:34:09,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 75 conjuncts are in the unsatisfiable core [2025-03-20 03:34:09,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 03:34:10,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 922 proven. 349 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-03-20 03:34:10,984 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 03:34:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 971 proven. 300 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-03-20 03:34:11,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209529373] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 03:34:11,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 03:34:11,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29, 29] total 79 [2025-03-20 03:34:11,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342609243] [2025-03-20 03:34:11,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 03:34:11,963 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2025-03-20 03:34:11,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 03:34:11,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2025-03-20 03:34:11,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2247, Invalid=4073, Unknown=0, NotChecked=0, Total=6320 [2025-03-20 03:34:11,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:11,967 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 03:34:11,967 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 6.375) internal successors, (510), 79 states have internal predecessors, (510), 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) [2025-03-20 03:34:11,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:11,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:11,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-03-20 03:34:11,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:11,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 03:34:11,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 03:34:11,967 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:14,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:14,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:14,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-20 03:34:14,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:14,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 03:34:14,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 03:34:14,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-03-20 03:34:14,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-20 03:34:14,247 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 03:34:14,247 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-20 03:34:14,248 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 03:34:14,248 INFO L85 PathProgramCache]: Analyzing trace with hash 594999798, now seen corresponding path program 5 times [2025-03-20 03:34:14,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 03:34:14,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956463813] [2025-03-20 03:34:14,248 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 03:34:14,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 03:34:14,269 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 704 statements into 28 equivalence classes. [2025-03-20 03:34:14,618 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) and asserted 704 of 704 statements. [2025-03-20 03:34:14,618 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2025-03-20 03:34:14,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:34:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 9231 backedges. 5121 proven. 3765 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2025-03-20 03:34:23,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 03:34:23,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956463813] [2025-03-20 03:34:23,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956463813] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 03:34:23,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209466032] [2025-03-20 03:34:23,774 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 03:34:23,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 03:34:23,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 03:34:23,776 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 03:34:23,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-20 03:34:23,865 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 704 statements into 28 equivalence classes. [2025-03-20 03:34:24,513 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) and asserted 704 of 704 statements. [2025-03-20 03:34:24,513 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 28 check-sat command(s) [2025-03-20 03:34:24,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:34:24,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 1820 conjuncts, 177 conjuncts are in the unsatisfiable core [2025-03-20 03:34:24,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 03:34:25,135 INFO L134 CoverageAnalysis]: Checked inductivity of 9231 backedges. 4980 proven. 3906 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2025-03-20 03:34:25,136 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 03:34:26,783 INFO L134 CoverageAnalysis]: Checked inductivity of 9231 backedges. 5119 proven. 3767 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2025-03-20 03:34:26,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209466032] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 03:34:26,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 03:34:26,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 69 [2025-03-20 03:34:26,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120631667] [2025-03-20 03:34:26,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 03:34:26,784 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-03-20 03:34:26,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 03:34:26,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-03-20 03:34:26,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1915, Invalid=2915, Unknown=0, NotChecked=0, Total=4830 [2025-03-20 03:34:26,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:26,787 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 03:34:26,788 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 8.4) internal successors, (588), 69 states have internal predecessors, (588), 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) [2025-03-20 03:34:26,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:26,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:26,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-03-20 03:34:26,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:26,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 03:34:26,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 03:34:26,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-03-20 03:34:26,788 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:34:31,982 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:31,982 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:31,982 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-20 03:34:31,982 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:34:31,982 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 03:34:31,982 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 03:34:31,982 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2025-03-20 03:34:31,983 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-03-20 03:34:31,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-20 03:34:32,183 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-03-20 03:34:32,183 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-20 03:34:32,184 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 03:34:32,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2055766507, now seen corresponding path program 6 times [2025-03-20 03:34:32,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 03:34:32,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722017521] [2025-03-20 03:34:32,185 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 03:34:32,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 03:34:32,228 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 1544 statements into 58 equivalence classes. [2025-03-20 03:34:34,237 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 58 check-sat command(s) and asserted 1544 of 1544 statements. [2025-03-20 03:34:34,237 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 58 check-sat command(s) [2025-03-20 03:34:34,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:35:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 47979 backedges. 23946 proven. 22755 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2025-03-20 03:35:35,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 03:35:35,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722017521] [2025-03-20 03:35:35,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722017521] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 03:35:35,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928654102] [2025-03-20 03:35:35,855 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 03:35:35,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 03:35:35,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 03:35:35,857 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 03:35:35,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-20 03:35:36,027 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 1544 statements into 58 equivalence classes. [2025-03-20 03:35:40,059 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 58 check-sat command(s) and asserted 1544 of 1544 statements. [2025-03-20 03:35:40,059 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 58 check-sat command(s) [2025-03-20 03:35:40,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:35:40,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 3916 conjuncts, 400 conjuncts are in the unsatisfiable core [2025-03-20 03:35:40,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 03:35:45,142 INFO L134 CoverageAnalysis]: Checked inductivity of 47979 backedges. 13149 proven. 34166 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2025-03-20 03:35:45,142 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 03:35:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 47979 backedges. 24560 proven. 22755 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2025-03-20 03:35:50,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928654102] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 03:35:50,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 03:35:50,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 108, 108] total 198 [2025-03-20 03:35:50,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559554661] [2025-03-20 03:35:50,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 03:35:50,357 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 199 states [2025-03-20 03:35:50,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 03:35:50,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2025-03-20 03:35:50,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14520, Invalid=24882, Unknown=0, NotChecked=0, Total=39402 [2025-03-20 03:35:50,370 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:35:50,370 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 03:35:50,371 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 199 states, 199 states have (on average 7.8040201005025125) internal successors, (1553), 198 states have internal predecessors, (1553), 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) [2025-03-20 03:35:50,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:35:50,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:35:50,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-03-20 03:35:50,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:35:50,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 03:35:50,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 03:35:50,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2025-03-20 03:35:50,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-03-20 03:35:50,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:36:05,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:36:05,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:36:05,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-20 03:36:05,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:36:05,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 03:36:05,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 03:36:05,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-03-20 03:36:05,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 274 states. [2025-03-20 03:36:05,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-03-20 03:36:05,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-20 03:36:05,721 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 03:36:05,721 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-20 03:36:05,723 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 03:36:05,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1515605540, now seen corresponding path program 7 times [2025-03-20 03:36:05,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 03:36:05,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218805738] [2025-03-20 03:36:05,723 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 03:36:05,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 03:36:05,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2872 statements into 1 equivalence classes. [2025-03-20 03:36:12,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2872 of 2872 statements. [2025-03-20 03:36:12,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 03:36:12,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:41:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 170841 backedges. 78886 proven. 88550 refuted. 0 times theorem prover too weak. 3405 trivial. 0 not checked. [2025-03-20 03:41:39,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 03:41:39,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218805738] [2025-03-20 03:41:39,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218805738] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 03:41:39,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670480626] [2025-03-20 03:41:39,989 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 03:41:39,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 03:41:39,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 03:41:39,991 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 03:41:39,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-20 03:41:40,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2872 statements into 1 equivalence classes. [2025-03-20 03:41:41,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2872 of 2872 statements. [2025-03-20 03:41:41,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 03:41:41,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 03:41:41,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 7230 conjuncts, 720 conjuncts are in the unsatisfiable core [2025-03-20 03:41:41,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 03:41:43,130 INFO L134 CoverageAnalysis]: Checked inductivity of 170841 backedges. 78494 proven. 88945 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2025-03-20 03:41:43,130 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 03:41:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 170841 backedges. 78941 proven. 88498 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2025-03-20 03:41:56,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670480626] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 03:41:56,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 03:41:56,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 97, 97] total 132 [2025-03-20 03:41:56,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303965252] [2025-03-20 03:41:56,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 03:41:56,279 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2025-03-20 03:41:56,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 03:41:56,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2025-03-20 03:41:56,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7657, Invalid=9899, Unknown=0, NotChecked=0, Total=17556 [2025-03-20 03:41:56,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 03:41:56,284 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 03:41:56,285 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 9.278195488721805) internal successors, (1234), 132 states have internal predecessors, (1234), 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) [2025-03-20 03:41:56,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:41:56,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:41:56,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-03-20 03:41:56,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 03:41:56,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 03:41:56,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 03:41:56,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-03-20 03:41:56,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 274 states. [2025-03-20 03:41:56,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-03-20 03:41:56,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.