./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/test-context1.wvr.c --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis SLEEP_NEW_STATES --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 42d87675 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/test-context1.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 d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis SLEEP_NEW_STATES --- Real Ultimate output --- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-25 01:44:15,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 01:44:15,509 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-25 01:44:15,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 01:44:15,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 01:44:15,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 01:44:15,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 01:44:15,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 01:44:15,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 01:44:15,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 01:44:15,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 01:44:15,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 01:44:15,529 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 01:44:15,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 01:44:15,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 01:44:15,530 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 01:44:15,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 01:44:15,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 01:44:15,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 01:44:15,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 01:44:15,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 01:44:15,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 01:44:15,532 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 01:44:15,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 01:44:15,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 01:44:15,532 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 01:44:15,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 01:44:15,533 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 01:44:15,533 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 01:44:15,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 01:44:15,533 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 01:44:15,533 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 01:44:15,533 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 01:44:15,533 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 -> d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e 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 -> SLEEP_NEW_STATES [2025-04-25 01:44:15,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 01:44:15,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 01:44:15,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 01:44:15,741 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-25 01:44:15,741 INFO L274 PluginConnector]: CDTParser initialized [2025-04-25 01:44:15,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/test-context1.wvr.c [2025-04-25 01:44:17,027 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6f786f233/4dad6271c80a41f09ab99d9d26116eee/FLAG70c2c6d81 [2025-04-25 01:44:17,211 INFO L389 CDTParser]: Found 1 translation units. [2025-04-25 01:44:17,211 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-context1.wvr.c [2025-04-25 01:44:17,216 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6f786f233/4dad6271c80a41f09ab99d9d26116eee/FLAG70c2c6d81 [2025-04-25 01:44:18,077 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6f786f233/4dad6271c80a41f09ab99d9d26116eee [2025-04-25 01:44:18,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 01:44:18,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-25 01:44:18,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-25 01:44:18,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-25 01:44:18,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-25 01:44:18,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629ed54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18, skipping insertion in model container [2025-04-25 01:44:18,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-25 01:44:18,232 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-context1.wvr.c[2459,2472] [2025-04-25 01:44:18,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-25 01:44:18,245 INFO L200 MainTranslator]: Completed pre-run [2025-04-25 01:44:18,269 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-context1.wvr.c[2459,2472] [2025-04-25 01:44:18,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-25 01:44:18,284 INFO L204 MainTranslator]: Completed translation [2025-04-25 01:44:18,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18 WrapperNode [2025-04-25 01:44:18,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-25 01:44:18,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 01:44:18,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 01:44:18,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 01:44:18,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,314 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 122 [2025-04-25 01:44:18,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 01:44:18,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 01:44:18,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 01:44:18,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 01:44:18,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,329 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 01:44:18,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 01:44:18,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 01:44:18,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 01:44:18,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18" (1/1) ... [2025-04-25 01:44:18,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 01:44:18,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:18,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-25 01:44:18,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-25 01:44:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-25 01:44:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-25 01:44:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-25 01:44:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-25 01:44:18,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-25 01:44:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-25 01:44:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-25 01:44:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-25 01:44:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-25 01:44:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-25 01:44:18,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 01:44:18,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 01:44:18,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-25 01:44:18,378 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-25 01:44:18,444 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 01:44:18,446 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 01:44:18,620 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 01:44:18,620 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 01:44:18,749 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 01:44:18,750 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-04-25 01:44:18,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 01:44:18 BoogieIcfgContainer [2025-04-25 01:44:18,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 01:44:18,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 01:44:18,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 01:44:18,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 01:44:18,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.04 01:44:18" (1/3) ... [2025-04-25 01:44:18,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5047b1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 01:44:18, skipping insertion in model container [2025-04-25 01:44:18,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 01:44:18" (2/3) ... [2025-04-25 01:44:18,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5047b1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 01:44:18, skipping insertion in model container [2025-04-25 01:44:18,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 01:44:18" (3/3) ... [2025-04-25 01:44:18,760 INFO L128 eAbstractionObserver]: Analyzing ICFG test-context1.wvr.c [2025-04-25 01:44:18,770 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 01:44:18,771 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test-context1.wvr.c that has 3 procedures, 24 locations, 26 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-25 01:44:18,771 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 01:44:18,813 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-25 01:44:18,842 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 01:44:18,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 01:44:18,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:18,845 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) [2025-04-25 01:44:18,846 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 [2025-04-25 01:44:18,905 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 01:44:18,910 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 01:44:18,915 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;@58a66fd7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 01:44:18,916 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-25 01:44:18,933 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:18,936 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:18,937 INFO L85 PathProgramCache]: Analyzing trace with hash -234547056, now seen corresponding path program 1 times [2025-04-25 01:44:18,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:18,942 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476283447] [2025-04-25 01:44:18,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 01:44:18,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:18,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-25 01:44:19,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-25 01:44:19,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 01:44:19,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:19,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:19,099 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476283447] [2025-04-25 01:44:19,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476283447] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 01:44:19,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 01:44:19,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-25 01:44:19,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539633227] [2025-04-25 01:44:19,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 01:44:19,103 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-25 01:44:19,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:19,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-25 01:44:19,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-25 01:44:19,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:19,125 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:19,126 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2025-04-25 01:44:19,126 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:19,183 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:19,183 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 01:44:19,183 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:19,183 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:19,183 INFO L85 PathProgramCache]: Analyzing trace with hash 142843592, now seen corresponding path program 1 times [2025-04-25 01:44:19,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:19,184 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113018929] [2025-04-25 01:44:19,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 01:44:19,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:19,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-25 01:44:19,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-25 01:44:19,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 01:44:19,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:19,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:19,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:19,316 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113018929] [2025-04-25 01:44:19,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113018929] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 01:44:19,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 01:44:19,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-25 01:44:19,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275968066] [2025-04-25 01:44:19,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 01:44:19,318 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 01:44:19,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:19,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 01:44:19,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 01:44:19,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:19,319 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:19,319 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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) [2025-04-25 01:44:19,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:19,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:19,364 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:19,364 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:19,364 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-25 01:44:19,365 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:19,365 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:19,365 INFO L85 PathProgramCache]: Analyzing trace with hash 593879905, now seen corresponding path program 1 times [2025-04-25 01:44:19,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:19,365 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799417026] [2025-04-25 01:44:19,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 01:44:19,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:19,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-04-25 01:44:19,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-04-25 01:44:19,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 01:44:19,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-25 01:44:19,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:19,550 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799417026] [2025-04-25 01:44:19,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799417026] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 01:44:19,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 01:44:19,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 01:44:19,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221180665] [2025-04-25 01:44:19,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 01:44:19,551 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 01:44:19,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:19,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 01:44:19,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-25 01:44:19,552 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:19,552 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:19,552 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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) [2025-04-25 01:44:19,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:19,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:19,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:19,604 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:19,604 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:19,604 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:19,605 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-25 01:44:19,605 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:19,605 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:19,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1318288220, now seen corresponding path program 1 times [2025-04-25 01:44:19,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:19,605 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077812534] [2025-04-25 01:44:19,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 01:44:19,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:19,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-25 01:44:19,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-25 01:44:19,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 01:44:19,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:19,767 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:19,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:19,767 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077812534] [2025-04-25 01:44:19,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077812534] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:19,768 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960882617] [2025-04-25 01:44:19,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 01:44:19,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:19,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:19,771 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) [2025-04-25 01:44:19,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-25 01:44:19,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-25 01:44:19,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-25 01:44:19,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 01:44:19,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:19,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-25 01:44:19,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:19,973 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:19,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:20,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:20,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960882617] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:20,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:20,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-04-25 01:44:20,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416515016] [2025-04-25 01:44:20,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:20,119 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-04-25 01:44:20,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:20,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-04-25 01:44:20,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2025-04-25 01:44:20,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:20,121 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:20,121 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 13 states have internal predecessors, (64), 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) [2025-04-25 01:44:20,121 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:20,121 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:20,121 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:20,121 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:20,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:20,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:20,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:20,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:20,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-25 01:44:20,438 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:20,438 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:20,438 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:20,439 INFO L85 PathProgramCache]: Analyzing trace with hash -465957951, now seen corresponding path program 2 times [2025-04-25 01:44:20,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:20,439 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588216661] [2025-04-25 01:44:20,439 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 01:44:20,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:20,446 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-04-25 01:44:20,465 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-04-25 01:44:20,466 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 01:44:20,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-25 01:44:20,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:20,691 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588216661] [2025-04-25 01:44:20,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588216661] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:20,691 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315350302] [2025-04-25 01:44:20,691 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 01:44:20,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:20,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:20,693 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) [2025-04-25 01:44:20,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-25 01:44:20,735 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-04-25 01:44:20,755 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-04-25 01:44:20,755 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 01:44:20,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:20,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-25 01:44:20,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-25 01:44:20,860 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:20,914 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-25 01:44:20,915 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2025-04-25 01:44:20,944 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-25 01:44:20,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315350302] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:20,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:20,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 4] total 8 [2025-04-25 01:44:20,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756460267] [2025-04-25 01:44:20,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:20,945 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-25 01:44:20,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:20,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-25 01:44:20,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-04-25 01:44:20,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:20,946 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:20,946 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 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) [2025-04-25 01:44:20,946 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:20,946 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:20,946 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:20,946 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:20,946 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:21,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:21,053 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:21,053 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:21,053 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:21,053 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:21,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-25 01:44:21,253 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:21,254 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:21,254 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:21,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1938485658, now seen corresponding path program 3 times [2025-04-25 01:44:21,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:21,254 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605578098] [2025-04-25 01:44:21,254 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 01:44:21,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:21,261 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 3 equivalence classes. [2025-04-25 01:44:21,287 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 29 of 35 statements. [2025-04-25 01:44:21,288 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 01:44:21,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-25 01:44:21,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:21,759 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605578098] [2025-04-25 01:44:21,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605578098] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:21,759 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121287716] [2025-04-25 01:44:21,759 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 01:44:21,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:21,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:21,762 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) [2025-04-25 01:44:21,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-25 01:44:21,806 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 3 equivalence classes. [2025-04-25 01:44:21,826 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 29 of 35 statements. [2025-04-25 01:44:21,826 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 01:44:21,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:21,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-25 01:44:21,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:21,951 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 01:44:21,951 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2025-04-25 01:44:22,041 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-25 01:44:22,041 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:22,152 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-25 01:44:22,153 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2025-04-25 01:44:22,238 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-25 01:44:22,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121287716] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:22,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:22,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2025-04-25 01:44:22,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383658121] [2025-04-25 01:44:22,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:22,239 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-04-25 01:44:22,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:22,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-04-25 01:44:22,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2025-04-25 01:44:22,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:22,240 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:22,241 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.35) internal successors, (67), 19 states have internal predecessors, (67), 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) [2025-04-25 01:44:22,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:22,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:22,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:22,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:22,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:22,241 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:22,472 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:22,472 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:22,472 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:22,472 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:22,472 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:22,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:22,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-25 01:44:22,673 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:22,674 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:22,674 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:22,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1934204893, now seen corresponding path program 4 times [2025-04-25 01:44:22,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:22,674 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183290122] [2025-04-25 01:44:22,674 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 01:44:22,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:22,682 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 36 statements into 2 equivalence classes. [2025-04-25 01:44:22,694 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-04-25 01:44:22,694 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 01:44:22,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-25 01:44:22,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:22,800 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183290122] [2025-04-25 01:44:22,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183290122] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:22,801 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512540587] [2025-04-25 01:44:22,801 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 01:44:22,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:22,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:22,803 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) [2025-04-25 01:44:22,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-25 01:44:22,843 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 36 statements into 2 equivalence classes. [2025-04-25 01:44:22,862 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-04-25 01:44:22,863 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 01:44:22,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:22,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-25 01:44:22,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:22,934 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-25 01:44:22,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:22,958 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-25 01:44:22,958 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2025-04-25 01:44:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-25 01:44:22,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512540587] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:22,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:22,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 7 [2025-04-25 01:44:22,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425551409] [2025-04-25 01:44:22,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:22,985 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-25 01:44:22,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:22,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-25 01:44:22,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-04-25 01:44:22,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:22,985 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:22,986 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 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) [2025-04-25 01:44:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:23,073 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:23,073 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:23,073 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:23,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:23,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:23,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:23,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:23,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-25 01:44:23,278 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-04-25 01:44:23,278 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:23,278 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:23,278 INFO L85 PathProgramCache]: Analyzing trace with hash -776502174, now seen corresponding path program 5 times [2025-04-25 01:44:23,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:23,278 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170574286] [2025-04-25 01:44:23,278 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 01:44:23,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:23,286 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 51 statements into 5 equivalence classes. [2025-04-25 01:44:23,303 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 51 of 51 statements. [2025-04-25 01:44:23,303 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-25 01:44:23,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 42 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-25 01:44:23,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:23,492 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170574286] [2025-04-25 01:44:23,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170574286] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:23,492 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471880289] [2025-04-25 01:44:23,492 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 01:44:23,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:23,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:23,494 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) [2025-04-25 01:44:23,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-25 01:44:23,533 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 51 statements into 5 equivalence classes. [2025-04-25 01:44:23,560 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 51 of 51 statements. [2025-04-25 01:44:23,560 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-25 01:44:23,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:23,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-25 01:44:23,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 58 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-25 01:44:23,849 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:24,113 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-25 01:44:24,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471880289] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:24,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:24,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 12] total 33 [2025-04-25 01:44:24,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774695246] [2025-04-25 01:44:24,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:24,117 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-25 01:44:24,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:24,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-25 01:44:24,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=859, Unknown=0, NotChecked=0, Total=1122 [2025-04-25 01:44:24,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:24,118 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:24,118 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.5) internal successors, (119), 33 states have internal predecessors, (119), 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) [2025-04-25 01:44:24,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:24,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:24,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:24,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:24,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:24,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:24,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:24,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:24,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:24,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:24,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:24,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:24,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:24,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:24,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:24,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:24,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-25 01:44:24,471 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:24,471 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:24,471 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:24,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1957727426, now seen corresponding path program 6 times [2025-04-25 01:44:24,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:24,471 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681401130] [2025-04-25 01:44:24,471 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 01:44:24,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:24,482 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 53 statements into 5 equivalence classes. [2025-04-25 01:44:24,503 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 53 of 53 statements. [2025-04-25 01:44:24,503 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-25 01:44:24,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 38 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:24,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:24,724 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681401130] [2025-04-25 01:44:24,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681401130] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:24,724 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991058697] [2025-04-25 01:44:24,724 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 01:44:24,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:24,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:24,726 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) [2025-04-25 01:44:24,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-25 01:44:24,766 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 53 statements into 5 equivalence classes. [2025-04-25 01:44:25,154 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 53 of 53 statements. [2025-04-25 01:44:25,154 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-25 01:44:25,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:25,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-04-25 01:44:25,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:25,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:25,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991058697] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:25,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:25,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 14] total 42 [2025-04-25 01:44:25,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84822291] [2025-04-25 01:44:25,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:25,825 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-04-25 01:44:25,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:25,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-04-25 01:44:25,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=457, Invalid=1349, Unknown=0, NotChecked=0, Total=1806 [2025-04-25 01:44:25,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:25,826 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:25,827 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.2325581395348837) internal successors, (139), 42 states have internal predecessors, (139), 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) [2025-04-25 01:44:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:25,827 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:25,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:25,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:25,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:25,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:25,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:25,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:25,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:25,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:25,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:25,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-25 01:44:26,176 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-04-25 01:44:26,176 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:26,176 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:26,176 INFO L85 PathProgramCache]: Analyzing trace with hash -487108539, now seen corresponding path program 7 times [2025-04-25 01:44:26,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:26,176 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781883431] [2025-04-25 01:44:26,176 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 01:44:26,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:26,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-04-25 01:44:26,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-04-25 01:44:26,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 01:44:26,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:26,755 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:26,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:26,755 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781883431] [2025-04-25 01:44:26,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781883431] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:26,755 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754470726] [2025-04-25 01:44:26,755 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 01:44:26,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:26,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:26,757 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:44:26,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-25 01:44:26,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-04-25 01:44:26,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-04-25 01:44:26,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 01:44:26,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:26,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-04-25 01:44:26,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:26,936 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-25 01:44:26,959 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-04-25 01:44:26,986 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-04-25 01:44:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:27,232 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:32,223 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2025-04-25 01:44:32,238 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-25 01:44:32,238 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 426 treesize of output 405 [2025-04-25 01:44:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 74 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-25 01:44:32,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754470726] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:32,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:32,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 14] total 43 [2025-04-25 01:44:32,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712801996] [2025-04-25 01:44:32,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:32,430 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-04-25 01:44:32,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:32,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-04-25 01:44:32,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1696, Unknown=0, NotChecked=0, Total=1892 [2025-04-25 01:44:32,431 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:32,431 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:32,431 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.090909090909091) internal successors, (136), 43 states have internal predecessors, (136), 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) [2025-04-25 01:44:32,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:32,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:32,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:32,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:32,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:32,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:32,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:32,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:32,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:32,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:33,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:33,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:33,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:33,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:33,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:33,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:33,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:33,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:33,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:33,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:33,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-25 01:44:33,778 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:33,778 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:33,778 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:33,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2022310466, now seen corresponding path program 8 times [2025-04-25 01:44:33,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:33,778 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883294759] [2025-04-25 01:44:33,779 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 01:44:33,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:33,786 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 79 statements into 2 equivalence classes. [2025-04-25 01:44:33,802 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 79 of 79 statements. [2025-04-25 01:44:33,802 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 01:44:33,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:34,187 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 111 proven. 126 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-25 01:44:34,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:34,188 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883294759] [2025-04-25 01:44:34,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883294759] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:34,188 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031790871] [2025-04-25 01:44:34,188 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 01:44:34,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:34,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:34,190 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:44:34,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-25 01:44:34,238 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 79 statements into 2 equivalence classes. [2025-04-25 01:44:34,267 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 79 of 79 statements. [2025-04-25 01:44:34,267 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 01:44:34,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:34,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-25 01:44:34,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:34,630 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 210 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-25 01:44:34,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 174 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-25 01:44:35,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031790871] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:35,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:35,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 49 [2025-04-25 01:44:35,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275355291] [2025-04-25 01:44:35,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:35,060 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-04-25 01:44:35,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:35,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-04-25 01:44:35,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=571, Invalid=1879, Unknown=0, NotChecked=0, Total=2450 [2025-04-25 01:44:35,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:35,062 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:35,062 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.86) internal successors, (193), 49 states have internal predecessors, (193), 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) [2025-04-25 01:44:35,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:35,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:35,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:35,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:35,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:35,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:35,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:35,062 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:35,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:35,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:35,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:35,250 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:35,251 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:35,251 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:35,251 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:35,251 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:35,251 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:35,251 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:35,251 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:35,251 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:35,251 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:35,251 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:44:35,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-04-25 01:44:35,452 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:35,452 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:35,452 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:35,452 INFO L85 PathProgramCache]: Analyzing trace with hash 511349633, now seen corresponding path program 9 times [2025-04-25 01:44:35,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:35,452 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448132561] [2025-04-25 01:44:35,452 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 01:44:35,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:35,460 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 80 statements into 9 equivalence classes. [2025-04-25 01:44:35,495 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 56 of 80 statements. [2025-04-25 01:44:35,495 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-25 01:44:35,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 8 proven. 184 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-25 01:44:36,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:36,078 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448132561] [2025-04-25 01:44:36,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448132561] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:36,078 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480992610] [2025-04-25 01:44:36,078 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 01:44:36,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:36,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:36,080 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:44:36,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-25 01:44:36,123 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 80 statements into 9 equivalence classes. [2025-04-25 01:44:36,497 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 56 of 80 statements. [2025-04-25 01:44:36,497 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-25 01:44:36,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:36,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-04-25 01:44:36,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:36,613 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-04-25 01:44:36,986 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 01:44:36,987 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 37 [2025-04-25 01:44:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 127 proven. 65 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-25 01:44:37,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:38,144 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2025-04-25 01:44:38,162 INFO L325 Elim1Store]: treesize reduction 15, result has 40.0 percent of original size [2025-04-25 01:44:38,162 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 126 treesize of output 99 [2025-04-25 01:44:38,408 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-25 01:44:38,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480992610] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:38,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:38,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 55 [2025-04-25 01:44:38,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915155340] [2025-04-25 01:44:38,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:38,409 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-04-25 01:44:38,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:38,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-04-25 01:44:38,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=558, Invalid=2522, Unknown=0, NotChecked=0, Total=3080 [2025-04-25 01:44:38,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:38,410 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:38,410 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 2.482142857142857) internal successors, (139), 55 states have internal predecessors, (139), 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) [2025-04-25 01:44:38,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:38,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:38,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:38,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:38,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:38,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:38,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:38,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:38,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:38,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:38,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:44:38,410 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:38,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:38,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:38,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:38,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:38,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:38,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:38,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:38,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:38,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:38,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:38,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:44:38,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:38,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-25 01:44:39,075 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-04-25 01:44:39,075 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:39,075 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:39,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1745401374, now seen corresponding path program 10 times [2025-04-25 01:44:39,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:39,075 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143941495] [2025-04-25 01:44:39,075 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 01:44:39,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:39,084 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 81 statements into 2 equivalence classes. [2025-04-25 01:44:39,092 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-04-25 01:44:39,092 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 01:44:39,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:39,296 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 36 proven. 90 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2025-04-25 01:44:39,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:39,297 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143941495] [2025-04-25 01:44:39,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143941495] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:39,297 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198703471] [2025-04-25 01:44:39,297 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 01:44:39,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:39,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:39,299 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:44:39,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-25 01:44:39,351 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 81 statements into 2 equivalence classes. [2025-04-25 01:44:39,428 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-04-25 01:44:39,429 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 01:44:39,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:39,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-04-25 01:44:39,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:40,099 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 216 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:40,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 149 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:40,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198703471] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:40,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:40,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 29, 23] total 58 [2025-04-25 01:44:40,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989320935] [2025-04-25 01:44:40,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:40,713 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2025-04-25 01:44:40,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:40,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2025-04-25 01:44:40,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=744, Invalid=2678, Unknown=0, NotChecked=0, Total=3422 [2025-04-25 01:44:40,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:40,715 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:40,715 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 3.288135593220339) internal successors, (194), 58 states have internal predecessors, (194), 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) [2025-04-25 01:44:40,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:40,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:40,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:40,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:40,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:40,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:40,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:40,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:40,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:40,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:40,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:44:40,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:40,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:41,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:41,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:41,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:41,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:41,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:41,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:41,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:41,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:41,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:41,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:41,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:44:41,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:41,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:44:41,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-04-25 01:44:41,328 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:41,328 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:41,329 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:41,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1751792390, now seen corresponding path program 11 times [2025-04-25 01:44:41,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:41,329 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801938390] [2025-04-25 01:44:41,329 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 01:44:41,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:41,337 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 88 statements into 10 equivalence classes. [2025-04-25 01:44:41,366 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 88 of 88 statements. [2025-04-25 01:44:41,366 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-04-25 01:44:41,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 172 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:41,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:41,834 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801938390] [2025-04-25 01:44:41,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801938390] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:41,834 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476170999] [2025-04-25 01:44:41,834 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 01:44:41,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:41,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:41,836 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:44:41,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-25 01:44:41,885 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 88 statements into 10 equivalence classes. [2025-04-25 01:44:41,974 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 88 of 88 statements. [2025-04-25 01:44:41,974 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-04-25 01:44:41,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:41,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-04-25 01:44:41,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:42,654 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 270 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:42,654 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 151 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:44:43,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476170999] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:43,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:43,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 30, 24] total 73 [2025-04-25 01:44:43,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51475884] [2025-04-25 01:44:43,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:43,167 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2025-04-25 01:44:43,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:43,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2025-04-25 01:44:43,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1165, Invalid=4237, Unknown=0, NotChecked=0, Total=5402 [2025-04-25 01:44:43,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:43,169 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:43,169 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 3.0) internal successors, (222), 73 states have internal predecessors, (222), 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) [2025-04-25 01:44:43,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:43,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:43,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:43,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:43,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:43,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:43,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:43,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:43,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:43,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:43,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:44:43,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:43,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:44:43,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:43,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:43,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:43,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:43,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:43,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:43,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:43,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:43,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:43,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:43,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:43,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:44:43,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:43,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:44:43,313 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:44:43,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-25 01:44:43,514 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-04-25 01:44:43,514 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:43,514 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:43,514 INFO L85 PathProgramCache]: Analyzing trace with hash 2010774167, now seen corresponding path program 12 times [2025-04-25 01:44:43,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:43,514 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631097132] [2025-04-25 01:44:43,514 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 01:44:43,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:43,522 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 89 statements into 10 equivalence classes. [2025-04-25 01:44:43,577 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 89 of 89 statements. [2025-04-25 01:44:43,580 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-04-25 01:44:43,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:43,901 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 1 proven. 161 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2025-04-25 01:44:43,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:43,901 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631097132] [2025-04-25 01:44:43,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631097132] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:43,901 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928007260] [2025-04-25 01:44:43,901 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 01:44:43,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:43,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:43,903 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:44:43,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-25 01:44:43,957 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 89 statements into 10 equivalence classes. [2025-04-25 01:44:45,903 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 89 of 89 statements. [2025-04-25 01:44:45,903 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-04-25 01:44:45,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:45,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-04-25 01:44:45,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:45,990 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-04-25 01:44:45,990 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:46,013 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-25 01:44:46,014 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 11 [2025-04-25 01:44:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-04-25 01:44:46,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928007260] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:46,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:46,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 12 [2025-04-25 01:44:46,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710559625] [2025-04-25 01:44:46,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:46,089 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-25 01:44:46,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:46,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-25 01:44:46,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2025-04-25 01:44:46,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:46,090 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:46,090 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 12 states have internal predecessors, (62), 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) [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:44:46,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:44:46,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:44:46,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-04-25 01:44:46,430 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-04-25 01:44:46,430 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:46,430 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:46,430 INFO L85 PathProgramCache]: Analyzing trace with hash -166778111, now seen corresponding path program 13 times [2025-04-25 01:44:46,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:46,431 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383317359] [2025-04-25 01:44:46,431 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 01:44:46,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:46,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-04-25 01:44:46,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-04-25 01:44:46,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 01:44:46,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 183 proven. 360 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-25 01:44:47,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:47,037 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383317359] [2025-04-25 01:44:47,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383317359] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:47,037 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699052232] [2025-04-25 01:44:47,037 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 01:44:47,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:47,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:47,039 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:44:47,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-25 01:44:47,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-04-25 01:44:47,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-04-25 01:44:47,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 01:44:47,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:47,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-04-25 01:44:47,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:47,756 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 465 proven. 66 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-25 01:44:47,756 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:48,405 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 303 proven. 228 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-25 01:44:48,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699052232] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:48,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:48,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 25] total 78 [2025-04-25 01:44:48,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5142118] [2025-04-25 01:44:48,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:48,405 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2025-04-25 01:44:48,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:48,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2025-04-25 01:44:48,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1237, Invalid=4925, Unknown=0, NotChecked=0, Total=6162 [2025-04-25 01:44:48,407 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:48,408 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:48,408 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 3.5063291139240507) internal successors, (277), 78 states have internal predecessors, (277), 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) [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:44:48,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:44:48,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:44:48,409 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:48,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:48,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:48,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:48,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:48,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:48,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:48,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:48,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:48,669 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:48,669 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:48,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:44:48,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:48,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:44:48,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:44:48,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:44:48,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:44:48,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-25 01:44:48,873 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-04-25 01:44:48,873 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:48,873 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:48,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1350081758, now seen corresponding path program 14 times [2025-04-25 01:44:48,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:48,873 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443889649] [2025-04-25 01:44:48,873 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 01:44:48,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:48,883 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-04-25 01:44:48,895 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 111 of 111 statements. [2025-04-25 01:44:48,895 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 01:44:48,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 445 proven. 114 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-25 01:44:49,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:49,433 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443889649] [2025-04-25 01:44:49,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443889649] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:49,433 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956864572] [2025-04-25 01:44:49,433 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 01:44:49,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:49,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:49,437 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:44:49,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-25 01:44:49,502 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-04-25 01:44:49,541 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 111 of 111 statements. [2025-04-25 01:44:49,541 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 01:44:49,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:49,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-04-25 01:44:49,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 473 proven. 78 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-25 01:44:50,317 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:44:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 287 proven. 264 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-25 01:44:51,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956864572] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:44:51,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:44:51,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 31, 28] total 84 [2025-04-25 01:44:51,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594756658] [2025-04-25 01:44:51,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:44:51,048 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2025-04-25 01:44:51,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:44:51,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2025-04-25 01:44:51,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1680, Invalid=5460, Unknown=0, NotChecked=0, Total=7140 [2025-04-25 01:44:51,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:51,050 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:44:51,051 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 3.376470588235294) internal successors, (287), 84 states have internal predecessors, (287), 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) [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:44:51,051 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:44:51,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:44:51,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-25 01:44:51,544 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-04-25 01:44:51,545 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:44:51,545 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:44:51,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1128097441, now seen corresponding path program 15 times [2025-04-25 01:44:51,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:44:51,545 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829496373] [2025-04-25 01:44:51,545 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 01:44:51,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:44:51,554 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 112 statements into 13 equivalence classes. [2025-04-25 01:44:51,696 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 88 of 112 statements. [2025-04-25 01:44:51,696 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-25 01:44:51,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 18 proven. 465 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-04-25 01:44:53,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:44:53,261 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829496373] [2025-04-25 01:44:53,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829496373] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:44:53,261 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338842373] [2025-04-25 01:44:53,261 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 01:44:53,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:44:53,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:44:53,263 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:44:53,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-25 01:44:53,331 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 112 statements into 13 equivalence classes. [2025-04-25 01:44:55,030 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 88 of 112 statements. [2025-04-25 01:44:55,030 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-25 01:44:55,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:44:55,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-04-25 01:44:55,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:44:55,181 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-25 01:44:55,208 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-25 01:44:55,235 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-25 01:44:55,263 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-25 01:44:55,290 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-25 01:44:55,317 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-25 01:44:55,345 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-25 01:44:56,373 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 01:44:56,373 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 73 treesize of output 48 [2025-04-25 01:44:56,492 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 325 proven. 159 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-04-25 01:44:56,492 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:45:38,041 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 341 [2025-04-25 01:45:41,048 INFO L325 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2025-04-25 01:45:41,096 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 73196279442 treesize of output 72960967774 [2025-04-25 01:45:46,415 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 56354 DAG size of output: 207 (called from [L 726] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-04-25 01:45:49,767 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 1 proven. 483 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-04-25 01:45:49,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338842373] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:45:49,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:45:49,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 32, 32] total 90 [2025-04-25 01:45:49,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196809012] [2025-04-25 01:45:49,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:45:49,768 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2025-04-25 01:45:49,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:45:49,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2025-04-25 01:45:49,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1040, Invalid=7150, Unknown=0, NotChecked=0, Total=8190 [2025-04-25 01:45:49,772 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:45:49,772 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:45:49,772 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 2.4835164835164836) internal successors, (226), 90 states have internal predecessors, (226), 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) [2025-04-25 01:45:49,772 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:45:49,772 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:45:49,772 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:45:49,772 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:45:49,772 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:45:49,772 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:45:49,772 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:45:49,772 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:45:49,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:45:49,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:45:49,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:45:49,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:45:49,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:45:49,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:45:49,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:45:49,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:45:49,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:45:49,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:45:57,035 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:45:57,035 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:45:57,035 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:45:57,035 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:45:57,035 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:45:57,035 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:45:57,035 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:45:57,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:45:57,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:45:57,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:45:57,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:45:57,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:45:57,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:45:57,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:45:57,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:45:57,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:45:57,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:45:57,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:45:57,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-25 01:45:57,236 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-25 01:45:57,236 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:45:57,237 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:45:57,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1458449090, now seen corresponding path program 16 times [2025-04-25 01:45:57,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:45:57,237 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355013672] [2025-04-25 01:45:57,237 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 01:45:57,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:45:57,247 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 113 statements into 2 equivalence classes. [2025-04-25 01:45:57,258 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-04-25 01:45:57,259 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 01:45:57,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:45:57,962 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 36 proven. 336 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2025-04-25 01:45:57,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:45:57,962 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355013672] [2025-04-25 01:45:57,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355013672] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:45:57,962 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101482276] [2025-04-25 01:45:57,962 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 01:45:57,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:45:57,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:45:57,965 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:45:57,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-25 01:45:58,036 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 113 statements into 2 equivalence classes. [2025-04-25 01:45:58,118 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-04-25 01:45:58,118 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 01:45:58,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:45:58,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 59 conjuncts are in the unsatisfiable core [2025-04-25 01:45:58,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:46:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 483 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:46:04,502 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:46:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 379 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:46:10,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101482276] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:46:10,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:46:10,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 43, 33] total 84 [2025-04-25 01:46:10,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910016218] [2025-04-25 01:46:10,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:46:10,138 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2025-04-25 01:46:10,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:46:10,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2025-04-25 01:46:10,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1587, Invalid=5553, Unknown=0, NotChecked=0, Total=7140 [2025-04-25 01:46:10,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:46:10,140 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:46:10,140 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 3.176470588235294) internal successors, (270), 84 states have internal predecessors, (270), 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) [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:46:10,140 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:46:10,141 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:46:10,141 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:46:10,141 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:46:13,965 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:46:13,965 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:46:13,965 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:46:13,965 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:13,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:13,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:46:13,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:13,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:46:13,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:46:13,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:46:13,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:46:13,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:46:13,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:46:13,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:46:13,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:46:13,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:46:13,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:46:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:46:13,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 01:46:13,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-04-25 01:46:14,167 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:46:14,167 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:46:14,168 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:46:14,168 INFO L85 PathProgramCache]: Analyzing trace with hash 773799962, now seen corresponding path program 17 times [2025-04-25 01:46:14,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:46:14,168 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315211192] [2025-04-25 01:46:14,168 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 01:46:14,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:46:14,178 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 120 statements into 14 equivalence classes. [2025-04-25 01:46:14,212 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 120 of 120 statements. [2025-04-25 01:46:14,212 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-04-25 01:46:14,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:46:16,586 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 355 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:46:16,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:46:16,587 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315211192] [2025-04-25 01:46:16,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315211192] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:46:16,587 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349387134] [2025-04-25 01:46:16,587 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 01:46:16,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:46:16,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:46:16,590 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:46:16,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-25 01:46:16,665 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 120 statements into 14 equivalence classes. [2025-04-25 01:46:17,389 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 120 of 120 statements. [2025-04-25 01:46:17,389 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-04-25 01:46:17,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:46:17,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 63 conjuncts are in the unsatisfiable core [2025-04-25 01:46:17,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:46:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 562 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:46:25,469 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:46:31,894 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 449 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 01:46:31,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349387134] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:46:31,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:46:31,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 46, 35] total 112 [2025-04-25 01:46:31,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343164050] [2025-04-25 01:46:31,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:46:31,895 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2025-04-25 01:46:31,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:46:31,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2025-04-25 01:46:31,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2548, Invalid=10108, Unknown=0, NotChecked=0, Total=12656 [2025-04-25 01:46:31,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:46:31,900 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:46:31,900 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 3.0088495575221237) internal successors, (340), 112 states have internal predecessors, (340), 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) [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 01:46:31,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:46:32,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:46:32,770 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:46:32,770 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:46:32,770 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:32,770 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 01:46:32,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:46:32,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-04-25 01:46:32,971 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:46:32,972 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:46:32,972 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:46:32,972 INFO L85 PathProgramCache]: Analyzing trace with hash -711081545, now seen corresponding path program 18 times [2025-04-25 01:46:32,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:46:32,972 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931582912] [2025-04-25 01:46:32,972 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 01:46:32,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:46:32,982 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 121 statements into 14 equivalence classes. [2025-04-25 01:46:33,058 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) and asserted 121 of 121 statements. [2025-04-25 01:46:33,058 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2025-04-25 01:46:33,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:46:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 0 proven. 696 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-25 01:46:36,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:46:36,803 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931582912] [2025-04-25 01:46:36,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931582912] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:46:36,803 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255738267] [2025-04-25 01:46:36,803 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 01:46:36,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:46:36,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:46:36,805 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:46:36,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-25 01:46:36,876 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 121 statements into 14 equivalence classes. [2025-04-25 01:46:40,072 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) and asserted 121 of 121 statements. [2025-04-25 01:46:40,072 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2025-04-25 01:46:40,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:46:40,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 112 conjuncts are in the unsatisfiable core [2025-04-25 01:46:40,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:46:42,254 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-04-25 01:46:48,599 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 0 proven. 688 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-25 01:46:48,599 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:46:58,562 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2025-04-25 01:46:58,588 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-25 01:46:58,588 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 47 [2025-04-25 01:46:58,996 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 0 proven. 578 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2025-04-25 01:46:58,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255738267] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:46:58,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:46:58,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 40, 30] total 102 [2025-04-25 01:46:58,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495200673] [2025-04-25 01:46:58,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:46:58,997 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2025-04-25 01:46:58,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:46:58,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2025-04-25 01:46:58,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=663, Invalid=9843, Unknown=0, NotChecked=0, Total=10506 [2025-04-25 01:46:58,999 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:46:58,999 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:46:59,000 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 3.0679611650485437) internal successors, (316), 102 states have internal predecessors, (316), 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) [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:46:59,000 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:46:59,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:46:59,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:46:59,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:46:59,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 01:46:59,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:46:59,002 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:22,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 01:47:22,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-04-25 01:47:22,889 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:47:22,889 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:47:22,889 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:47:22,889 INFO L85 PathProgramCache]: Analyzing trace with hash -822905470, now seen corresponding path program 19 times [2025-04-25 01:47:22,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:47:22,889 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337393157] [2025-04-25 01:47:22,889 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 01:47:22,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:47:22,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-04-25 01:47:22,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-04-25 01:47:22,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 01:47:22,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:47:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 422 proven. 1081 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-25 01:47:26,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:47:26,058 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337393157] [2025-04-25 01:47:26,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337393157] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:47:26,058 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857824587] [2025-04-25 01:47:26,058 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 01:47:26,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:47:26,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:47:26,060 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:47:26,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-25 01:47:26,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-04-25 01:47:26,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-04-25 01:47:26,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 01:47:26,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:47:26,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-04-25 01:47:26,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:47:32,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 1335 proven. 153 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-04-25 01:47:32,223 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:47:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 1105 proven. 383 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-04-25 01:47:39,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857824587] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:47:39,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:47:39,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 38] total 114 [2025-04-25 01:47:39,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219735933] [2025-04-25 01:47:39,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:47:39,337 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2025-04-25 01:47:39,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:47:39,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2025-04-25 01:47:39,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2647, Invalid=10463, Unknown=0, NotChecked=0, Total=13110 [2025-04-25 01:47:39,340 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:47:39,340 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:47:39,340 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 3.5217391304347827) internal successors, (405), 114 states have internal predecessors, (405), 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) [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 01:47:39,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:47:41,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:47:41,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:47:41,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:41,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:47:41,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:41,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 01:47:41,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:41,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 01:47:41,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-25 01:47:41,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-04-25 01:47:42,018 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-04-25 01:47:42,018 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:47:42,018 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:47:42,019 INFO L85 PathProgramCache]: Analyzing trace with hash -515836449, now seen corresponding path program 20 times [2025-04-25 01:47:42,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:47:42,019 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884840630] [2025-04-25 01:47:42,019 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 01:47:42,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:47:42,033 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 171 statements into 2 equivalence classes. [2025-04-25 01:47:42,052 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 171 of 171 statements. [2025-04-25 01:47:42,052 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 01:47:42,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:47:43,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 893 proven. 650 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-04-25 01:47:43,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:47:43,959 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884840630] [2025-04-25 01:47:43,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884840630] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:47:43,959 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285618050] [2025-04-25 01:47:43,959 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 01:47:43,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:47:43,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:47:43,961 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:47:43,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-04-25 01:47:44,043 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 171 statements into 2 equivalence classes. [2025-04-25 01:47:44,089 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 171 of 171 statements. [2025-04-25 01:47:44,089 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 01:47:44,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:47:44,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-04-25 01:47:44,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:47:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 1362 proven. 171 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-04-25 01:47:47,697 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:47:51,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 1045 proven. 488 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-04-25 01:47:51,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285618050] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 01:47:51,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 01:47:51,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 42, 40] total 119 [2025-04-25 01:47:51,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995697090] [2025-04-25 01:47:51,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 01:47:51,751 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2025-04-25 01:47:51,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 01:47:51,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2025-04-25 01:47:51,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3248, Invalid=11032, Unknown=0, NotChecked=0, Total=14280 [2025-04-25 01:47:51,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:47:51,754 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 01:47:51,754 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 3.5) internal successors, (420), 119 states have internal predecessors, (420), 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) [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-25 01:47:51,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:47:53,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-25 01:47:53,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-25 01:47:53,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-04-25 01:47:53,597 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:47:53,598 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 01:47:53,598 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 01:47:53,598 INFO L85 PathProgramCache]: Analyzing trace with hash 413368610, now seen corresponding path program 21 times [2025-04-25 01:47:53,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 01:47:53,598 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666601861] [2025-04-25 01:47:53,598 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 01:47:53,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 01:47:53,610 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 172 statements into 22 equivalence classes. [2025-04-25 01:47:53,751 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 106 of 172 statements. [2025-04-25 01:47:53,751 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-04-25 01:47:53,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:48:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 143 proven. 989 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2025-04-25 01:48:01,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 01:48:01,064 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666601861] [2025-04-25 01:48:01,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666601861] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 01:48:01,064 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281590757] [2025-04-25 01:48:01,064 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 01:48:01,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 01:48:01,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 01:48:01,066 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 01:48:01,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-25 01:48:01,155 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 172 statements into 22 equivalence classes. [2025-04-25 01:48:04,703 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 106 of 172 statements. [2025-04-25 01:48:04,703 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-04-25 01:48:04,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 01:48:04,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 167 conjuncts are in the unsatisfiable core [2025-04-25 01:48:04,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 01:48:04,794 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:04,868 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:04,929 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:05,012 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:05,090 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:05,169 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:05,243 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:05,333 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:05,413 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:05,509 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:05,599 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:05,688 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:05,792 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:05,881 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:05,990 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:06,085 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:06,184 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:06,297 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:06,409 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-25 01:48:12,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 01:48:12,524 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 01:48:12,526 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 01:48:12,528 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 01:48:12,531 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 01:48:12,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 01:48:12,535 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 01:48:12,537 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 01:48:12,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 01:48:12,606 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 01:48:12,606 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 37 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 131 treesize of output 95 [2025-04-25 01:48:13,053 WARN L656 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-04-25 01:48:13,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 628 proven. 540 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2025-04-25 01:48:13,089 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 01:48:50,327 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1666 treesize of output 1646