./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-send-receive.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 6f232940 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-send-receive.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 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 --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-6f23294-m [2025-03-19 22:19:04,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-19 22:19:04,694 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-03-19 22:19:04,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-19 22:19:04,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-19 22:19:04,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-19 22:19:04,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-19 22:19:04,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-19 22:19:04,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-19 22:19:04,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-19 22:19:04,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-19 22:19:04,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-19 22:19:04,711 INFO L153 SettingsManager]: * Use SBE=true [2025-03-19 22:19:04,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-19 22:19:04,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-19 22:19:04,711 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-19 22:19:04,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-19 22:19:04,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-19 22:19:04,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-19 22:19:04,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-19 22:19:04,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-19 22:19:04,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-19 22:19:04,712 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-19 22:19:04,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-19 22:19:04,712 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-19 22:19:04,712 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-19 22:19:04,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-19 22:19:04,712 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-19 22:19:04,713 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-19 22:19:04,713 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-19 22:19:04,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-19 22:19:04,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-19 22:19:04,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-19 22:19:04,713 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-19 22:19:04,713 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-03-19 22:19:04,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-19 22:19:04,713 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-19 22:19:04,713 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-03-19 22:19:04,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-19 22:19:04,714 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-03-19 22:19:04,714 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-03-19 22:19:04,714 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-03-19 22:19:04,714 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 -> 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 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 [2025-03-19 22:19:04,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-19 22:19:04,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-19 22:19:04,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-19 22:19:04,960 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-19 22:19:04,960 INFO L274 PluginConnector]: CDTParser initialized [2025-03-19 22:19:04,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2025-03-19 22:19:06,264 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dbf4a31d1/48bc1a8546014c1bb742f00178966a08/FLAGdef9e8d5f [2025-03-19 22:19:06,393 INFO L389 CDTParser]: Found 1 translation units. [2025-03-19 22:19:06,394 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2025-03-19 22:19:06,399 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dbf4a31d1/48bc1a8546014c1bb742f00178966a08/FLAGdef9e8d5f [2025-03-19 22:19:07,265 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dbf4a31d1/48bc1a8546014c1bb742f00178966a08 [2025-03-19 22:19:07,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-19 22:19:07,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-19 22:19:07,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-19 22:19:07,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-19 22:19:07,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-19 22:19:07,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad849b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07, skipping insertion in model container [2025-03-19 22:19:07,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-19 22:19:07,440 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3146,3159] [2025-03-19 22:19:07,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-19 22:19:07,458 INFO L200 MainTranslator]: Completed pre-run [2025-03-19 22:19:07,490 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3146,3159] [2025-03-19 22:19:07,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-19 22:19:07,512 INFO L204 MainTranslator]: Completed translation [2025-03-19 22:19:07,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07 WrapperNode [2025-03-19 22:19:07,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-19 22:19:07,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-19 22:19:07,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-19 22:19:07,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-19 22:19:07,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,539 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 139 [2025-03-19 22:19:07,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-19 22:19:07,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-19 22:19:07,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-19 22:19:07,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-19 22:19:07,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,559 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-19 22:19:07,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-19 22:19:07,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-19 22:19:07,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-19 22:19:07,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07" (1/1) ... [2025-03-19 22:19:07,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-19 22:19:07,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:19:07,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-19 22:19:07,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-19 22:19:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-19 22:19:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-19 22:19:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-19 22:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-19 22:19:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-19 22:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-19 22:19:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-19 22:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-19 22:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-19 22:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-19 22:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-19 22:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-19 22:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-19 22:19:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-19 22:19:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-19 22:19:07,621 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-19 22:19:07,704 INFO L234 CfgBuilder]: Building ICFG [2025-03-19 22:19:07,706 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-19 22:19:07,930 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-19 22:19:07,930 INFO L283 CfgBuilder]: Performing block encoding [2025-03-19 22:19:08,058 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-19 22:19:08,058 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-19 22:19:08,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 10:19:08 BoogieIcfgContainer [2025-03-19 22:19:08,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-19 22:19:08,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-19 22:19:08,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-19 22:19:08,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-19 22:19:08,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.03 10:19:07" (1/3) ... [2025-03-19 22:19:08,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9f50d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 10:19:08, skipping insertion in model container [2025-03-19 22:19:08,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:19:07" (2/3) ... [2025-03-19 22:19:08,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9f50d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 10:19:08, skipping insertion in model container [2025-03-19 22:19:08,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 10:19:08" (3/3) ... [2025-03-19 22:19:08,066 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2025-03-19 22:19:08,088 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-19 22:19:08,089 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-send-receive.wvr.c that has 4 procedures, 33 locations, 33 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-03-19 22:19:08,089 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-19 22:19:08,125 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-19 22:19:08,157 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-19 22:19:08,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-03-19 22:19:08,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:19:08,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-03-19 22:19:08,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-03-19 22:19:08,210 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-03-19 22:19:08,214 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-03-19 22:19:08,222 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;@1624563f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-19 22:19:08,223 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-19 22:19:08,251 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:08,254 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:08,255 INFO L85 PathProgramCache]: Analyzing trace with hash 124580333, now seen corresponding path program 1 times [2025-03-19 22:19:08,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:08,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569360860] [2025-03-19 22:19:08,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 22:19:08,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:08,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-19 22:19:08,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-19 22:19:08,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 22:19:08,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:08,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:08,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:08,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569360860] [2025-03-19 22:19:08,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569360860] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 22:19:08,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 22:19:08,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-19 22:19:08,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181769154] [2025-03-19 22:19:08,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 22:19:08,532 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-19 22:19:08,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:08,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-19 22:19:08,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-19 22:19:08,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:08,547 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:08,548 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:19:08,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:08,642 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:08,643 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-19 22:19:08,643 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:08,644 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:08,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1954646658, now seen corresponding path program 1 times [2025-03-19 22:19:08,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:08,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527987909] [2025-03-19 22:19:08,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 22:19:08,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:08,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-19 22:19:08,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-19 22:19:08,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 22:19:08,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:08,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:08,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527987909] [2025-03-19 22:19:08,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527987909] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 22:19:08,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 22:19:08,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-19 22:19:08,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874282553] [2025-03-19 22:19:08,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 22:19:08,848 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-19 22:19:08,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:08,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-19 22:19:08,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-19 22:19:08,850 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:08,850 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:08,851 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:19:08,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:08,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:08,912 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:08,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:08,915 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-19 22:19:08,915 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:08,915 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:08,915 INFO L85 PathProgramCache]: Analyzing trace with hash -621214997, now seen corresponding path program 1 times [2025-03-19 22:19:08,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:08,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654866469] [2025-03-19 22:19:08,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 22:19:08,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:08,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-19 22:19:08,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-19 22:19:08,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 22:19:08,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:09,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 22:19:09,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:09,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654866469] [2025-03-19 22:19:09,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654866469] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 22:19:09,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 22:19:09,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-19 22:19:09,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232220765] [2025-03-19 22:19:09,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 22:19:09,036 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-19 22:19:09,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:09,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-19 22:19:09,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-19 22:19:09,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:09,036 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:09,036 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:19:09,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:09,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:09,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:09,104 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:09,104 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:09,104 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:09,105 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-19 22:19:09,105 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:09,106 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:09,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1724373739, now seen corresponding path program 2 times [2025-03-19 22:19:09,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:09,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575318928] [2025-03-19 22:19:09,107 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 22:19:09,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:09,120 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-03-19 22:19:09,142 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-03-19 22:19:09,143 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:19:09,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:09,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 22:19:09,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:09,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575318928] [2025-03-19 22:19:09,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575318928] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:19:09,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122594935] [2025-03-19 22:19:09,373 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 22:19:09,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:09,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:19:09,377 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 22:19:09,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-19 22:19:09,420 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-03-19 22:19:09,446 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-03-19 22:19:09,446 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:19:09,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:09,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-19 22:19:09,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:19:09,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 22:19:09,509 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:19:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 22:19:09,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122594935] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:19:09,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:19:09,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 10 [2025-03-19 22:19:09,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719824661] [2025-03-19 22:19:09,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:19:09,653 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-19 22:19:09,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:09,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-19 22:19:09,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-03-19 22:19:09,654 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:09,654 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:09,654 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:19:09,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:09,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:09,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:09,655 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:10,001 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:10,001 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:10,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:10,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 22:19:10,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-19 22:19:10,206 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:10,206 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:10,206 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:10,206 INFO L85 PathProgramCache]: Analyzing trace with hash 890541727, now seen corresponding path program 3 times [2025-03-19 22:19:10,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:10,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976996507] [2025-03-19 22:19:10,207 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 22:19:10,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:10,216 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 46 statements into 3 equivalence classes. [2025-03-19 22:19:10,227 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 32 of 46 statements. [2025-03-19 22:19:10,228 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-19 22:19:10,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-19 22:19:10,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:10,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976996507] [2025-03-19 22:19:10,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976996507] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 22:19:10,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 22:19:10,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-19 22:19:10,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977914043] [2025-03-19 22:19:10,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 22:19:10,430 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-19 22:19:10,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:10,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-19 22:19:10,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-19 22:19:10,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:10,430 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:10,430 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:19:10,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:10,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:10,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:10,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 22:19:10,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:10,588 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:10,588 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:10,588 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:10,588 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 22:19:10,588 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:10,588 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-19 22:19:10,589 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:10,589 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:10,589 INFO L85 PathProgramCache]: Analyzing trace with hash 353613099, now seen corresponding path program 4 times [2025-03-19 22:19:10,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:10,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008478635] [2025-03-19 22:19:10,589 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 22:19:10,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:10,598 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 30 statements into 2 equivalence classes. [2025-03-19 22:19:10,610 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-03-19 22:19:10,612 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 22:19:10,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:11,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:11,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008478635] [2025-03-19 22:19:11,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008478635] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:19:11,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786333117] [2025-03-19 22:19:11,010 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 22:19:11,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:11,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:19:11,013 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 22:19:11,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-19 22:19:11,056 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 30 statements into 2 equivalence classes. [2025-03-19 22:19:11,075 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-03-19 22:19:11,076 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 22:19:11,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:11,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-19 22:19:11,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:19:11,117 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 [2025-03-19 22:19:11,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:11,367 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:19:11,904 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 61 treesize of output 55 [2025-03-19 22:19:11,912 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 22:19:11,913 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 78 treesize of output 68 [2025-03-19 22:19:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:12,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786333117] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:19:12,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:19:12,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 29 [2025-03-19 22:19:12,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814513417] [2025-03-19 22:19:12,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:19:12,001 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-03-19 22:19:12,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:12,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-03-19 22:19:12,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2025-03-19 22:19:12,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:12,007 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:12,007 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.6666666666666665) internal successors, (80), 29 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:19:12,007 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:12,007 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:12,007 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:12,007 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 22:19:12,007 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:12,007 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:12,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:12,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:12,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:12,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 22:19:12,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:12,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 22:19:12,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-19 22:19:12,612 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:12,612 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:12,613 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:12,613 INFO L85 PathProgramCache]: Analyzing trace with hash -256887852, now seen corresponding path program 5 times [2025-03-19 22:19:12,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:12,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775193294] [2025-03-19 22:19:12,613 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 22:19:12,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:12,622 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 31 statements into 2 equivalence classes. [2025-03-19 22:19:12,655 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 31 of 31 statements. [2025-03-19 22:19:12,655 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:19:12,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:13,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:13,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775193294] [2025-03-19 22:19:13,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775193294] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:19:13,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193351322] [2025-03-19 22:19:13,626 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 22:19:13,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:13,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:19:13,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 22:19:13,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-19 22:19:13,664 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 31 statements into 2 equivalence classes. [2025-03-19 22:19:13,680 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 31 of 31 statements. [2025-03-19 22:19:13,681 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:19:13,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:13,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-19 22:19:13,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:19:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 22:19:13,840 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:19:13,943 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 22:19:13,944 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 40 treesize of output 24 [2025-03-19 22:19:14,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 22:19:14,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193351322] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-19 22:19:14,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-19 22:19:14,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14, 8] total 27 [2025-03-19 22:19:14,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907633678] [2025-03-19 22:19:14,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 22:19:14,063 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-19 22:19:14,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:14,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-19 22:19:14,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2025-03-19 22:19:14,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:14,063 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:14,063 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:19:14,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:14,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:14,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:14,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 22:19:14,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:14,064 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 22:19:14,064 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:14,514 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:14,514 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:14,514 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:14,514 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:19:14,514 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:14,515 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:14,515 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:14,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-19 22:19:14,718 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:14,718 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:14,718 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:14,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1270454113, now seen corresponding path program 6 times [2025-03-19 22:19:14,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:14,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071636166] [2025-03-19 22:19:14,718 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 22:19:14,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:14,724 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 39 statements into 2 equivalence classes. [2025-03-19 22:19:14,732 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-03-19 22:19:14,732 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-03-19 22:19:14,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:14,815 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 22:19:14,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:14,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071636166] [2025-03-19 22:19:14,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071636166] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 22:19:14,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 22:19:14,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-19 22:19:14,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60811594] [2025-03-19 22:19:14,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 22:19:14,816 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-19 22:19:14,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:14,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-19 22:19:14,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-19 22:19:14,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:14,817 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:14,817 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:19:14,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:14,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:14,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:14,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:19:14,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:14,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:14,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:14,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:14,913 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:14,913 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:14,913 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:14,913 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:19:14,913 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:14,913 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:14,913 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:14,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:14,914 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-19 22:19:14,914 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:14,914 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:14,914 INFO L85 PathProgramCache]: Analyzing trace with hash -2069415745, now seen corresponding path program 1 times [2025-03-19 22:19:14,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:14,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237254723] [2025-03-19 22:19:14,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 22:19:14,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:14,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-19 22:19:14,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-19 22:19:14,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 22:19:14,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:15,753 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:15,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:15,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237254723] [2025-03-19 22:19:15,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237254723] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:19:15,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336937059] [2025-03-19 22:19:15,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 22:19:15,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:15,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:19:15,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 22:19:15,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-19 22:19:15,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-19 22:19:15,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-19 22:19:15,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 22:19:15,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:15,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-03-19 22:19:15,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:19:16,222 INFO L325 Elim1Store]: treesize reduction 16, result has 15.8 percent of original size [2025-03-19 22:19:16,222 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 17 [2025-03-19 22:19:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:16,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:19:16,557 INFO L325 Elim1Store]: treesize reduction 8, result has 82.2 percent of original size [2025-03-19 22:19:16,558 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 74 treesize of output 60 [2025-03-19 22:19:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:17,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336937059] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:19:17,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:19:17,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 41 [2025-03-19 22:19:17,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263402145] [2025-03-19 22:19:17,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:19:17,249 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-03-19 22:19:17,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:17,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-03-19 22:19:17,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1517, Unknown=0, NotChecked=0, Total=1722 [2025-03-19 22:19:17,252 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:17,252 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:17,252 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.642857142857143) internal successors, (111), 41 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:19:17,252 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:17,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:17,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:17,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:19:17,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:17,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:17,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:17,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:17,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:18,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:18,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:18,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:18,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:19:18,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:18,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:18,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:18,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:18,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:19:18,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-19 22:19:18,436 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-03-19 22:19:18,436 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:18,436 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:18,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1655973942, now seen corresponding path program 2 times [2025-03-19 22:19:18,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:18,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228182914] [2025-03-19 22:19:18,436 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 22:19:18,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:18,442 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-03-19 22:19:18,456 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-03-19 22:19:18,457 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:19:18,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:19,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:19,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228182914] [2025-03-19 22:19:19,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228182914] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:19:19,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989319037] [2025-03-19 22:19:19,120 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 22:19:19,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:19,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:19:19,122 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 22:19:19,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-19 22:19:19,158 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-03-19 22:19:19,180 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-03-19 22:19:19,180 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:19:19,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:19,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-19 22:19:19,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:19:19,451 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 22:19:19,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:19:19,728 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 22:19:19,728 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 75 treesize of output 60 [2025-03-19 22:19:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-19 22:19:19,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989319037] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:19:19,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:19:19,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 10] total 34 [2025-03-19 22:19:19,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743525575] [2025-03-19 22:19:19,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:19:19,886 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-03-19 22:19:19,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:19,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-03-19 22:19:19,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1025, Unknown=0, NotChecked=0, Total=1190 [2025-03-19 22:19:19,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:19,887 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:19,887 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.085714285714286) internal successors, (108), 34 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:19:19,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:19,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:19,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:19,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:19:19,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:19,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:19,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:19,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:19,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:19:19,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:20,580 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:20,581 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:20,581 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:20,581 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:19:20,581 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:20,581 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:20,581 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:20,581 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:20,581 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:19:20,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:19:20,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-19 22:19:20,786 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-19 22:19:20,786 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:20,786 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:20,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1115922070, now seen corresponding path program 3 times [2025-03-19 22:19:20,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:20,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467502689] [2025-03-19 22:19:20,787 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 22:19:20,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:20,792 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 49 statements into 3 equivalence classes. [2025-03-19 22:19:20,820 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 49 of 49 statements. [2025-03-19 22:19:20,820 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-19 22:19:20,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:21,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:21,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467502689] [2025-03-19 22:19:21,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467502689] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:19:21,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991076436] [2025-03-19 22:19:21,626 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 22:19:21,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:21,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:19:21,628 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 22:19:21,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-19 22:19:21,669 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 49 statements into 3 equivalence classes. [2025-03-19 22:19:21,768 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 49 of 49 statements. [2025-03-19 22:19:21,768 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-19 22:19:21,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:21,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-03-19 22:19:21,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:19:22,136 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 22:19:22,136 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:19:22,549 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 22:19:22,549 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 108 treesize of output 114 [2025-03-19 22:19:22,737 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-19 22:19:22,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991076436] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:19:22,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:19:22,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 12] total 39 [2025-03-19 22:19:22,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904982753] [2025-03-19 22:19:22,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:19:22,737 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-03-19 22:19:22,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:22,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-03-19 22:19:22,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1349, Unknown=0, NotChecked=0, Total=1560 [2025-03-19 22:19:22,738 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:22,738 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:22,738 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.325) internal successors, (133), 39 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:19:22,738 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:22,738 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:22,738 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:22,738 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:19:22,738 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:22,738 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:22,738 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:22,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:22,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:19:22,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:19:22,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:24,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:24,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:24,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:24,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:19:24,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:24,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:24,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:24,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:24,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:19:24,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:19:24,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:19:24,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-19 22:19:24,472 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-19 22:19:24,472 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:24,472 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:24,472 INFO L85 PathProgramCache]: Analyzing trace with hash -477890625, now seen corresponding path program 4 times [2025-03-19 22:19:24,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:24,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193933227] [2025-03-19 22:19:24,472 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 22:19:24,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:24,481 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 79 statements into 2 equivalence classes. [2025-03-19 22:19:24,492 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 79 of 79 statements. [2025-03-19 22:19:24,492 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 22:19:24,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 72 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-19 22:19:24,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:24,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193933227] [2025-03-19 22:19:24,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193933227] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:19:24,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082196608] [2025-03-19 22:19:24,681 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 22:19:24,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:24,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:19:24,683 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) [2025-03-19 22:19:24,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-19 22:19:24,725 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 79 statements into 2 equivalence classes. [2025-03-19 22:19:24,753 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 79 of 79 statements. [2025-03-19 22:19:24,754 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 22:19:24,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:24,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-19 22:19:24,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:19:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 89 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-19 22:19:25,034 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:19:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 52 proven. 52 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-19 22:19:25,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082196608] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:19:25,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:19:25,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 35 [2025-03-19 22:19:25,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4459594] [2025-03-19 22:19:25,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:19:25,232 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-03-19 22:19:25,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:25,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-03-19 22:19:25,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=971, Unknown=0, NotChecked=0, Total=1260 [2025-03-19 22:19:25,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:25,233 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:25,233 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.722222222222222) internal successors, (170), 35 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:19:25,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:25,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:25,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:25,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:19:25,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:25,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:25,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:25,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:25,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:19:25,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:19:25,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:19:25,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:25,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:25,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:25,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:25,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:19:25,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:25,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:25,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:25,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:25,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:19:25,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:19:25,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:19:25,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:19:25,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-19 22:19:25,635 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:25,635 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:25,635 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:25,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1406540746, now seen corresponding path program 5 times [2025-03-19 22:19:25,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:25,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549913437] [2025-03-19 22:19:25,636 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 22:19:25,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:25,644 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 80 statements into 7 equivalence classes. [2025-03-19 22:19:25,663 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 80 of 80 statements. [2025-03-19 22:19:25,663 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-03-19 22:19:25,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 44 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:25,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:25,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549913437] [2025-03-19 22:19:25,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549913437] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:19:25,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082968341] [2025-03-19 22:19:25,915 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 22:19:25,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:25,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:19:25,917 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) [2025-03-19 22:19:25,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-19 22:19:25,965 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 80 statements into 7 equivalence classes. [2025-03-19 22:19:26,013 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 80 of 80 statements. [2025-03-19 22:19:26,013 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-03-19 22:19:26,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:26,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-19 22:19:26,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:19:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 74 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:26,347 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:19:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 66 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:26,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082968341] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:19:26,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:19:26,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 45 [2025-03-19 22:19:26,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483062502] [2025-03-19 22:19:26,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:19:26,718 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2025-03-19 22:19:26,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:26,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2025-03-19 22:19:26,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=524, Invalid=1546, Unknown=0, NotChecked=0, Total=2070 [2025-03-19 22:19:26,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:26,719 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:26,720 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.6521739130434785) internal successors, (214), 45 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:19:26,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:26,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:26,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:26,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:19:26,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:26,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:26,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:26,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:26,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:19:26,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:19:26,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:19:26,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:19:26,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:27,029 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:19:27,029 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:27,029 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:27,029 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:19:27,029 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:27,029 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:27,029 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:27,029 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:27,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:19:27,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:19:27,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:19:27,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:19:27,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:19:27,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-19 22:19:27,230 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:27,230 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:19:27,231 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:27,231 INFO L85 PathProgramCache]: Analyzing trace with hash -129923425, now seen corresponding path program 6 times [2025-03-19 22:19:27,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:27,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793445992] [2025-03-19 22:19:27,231 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 22:19:27,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:27,237 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 81 statements into 7 equivalence classes. [2025-03-19 22:19:27,275 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 81 of 81 statements. [2025-03-19 22:19:27,275 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-03-19 22:19:27,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:29,477 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 52 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:29,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:29,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793445992] [2025-03-19 22:19:29,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793445992] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:19:29,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913778206] [2025-03-19 22:19:29,477 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 22:19:29,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:29,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:19:29,479 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) [2025-03-19 22:19:29,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-19 22:19:29,523 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 81 statements into 7 equivalence classes. [2025-03-19 22:19:29,608 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 81 of 81 statements. [2025-03-19 22:19:29,608 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-03-19 22:19:29,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:29,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 79 conjuncts are in the unsatisfiable core [2025-03-19 22:19:29,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:19:31,025 INFO L325 Elim1Store]: treesize reduction 122, result has 5.4 percent of original size [2025-03-19 22:19:31,025 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 100 treesize of output 36 [2025-03-19 22:19:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 4 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:31,141 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:19:38,058 INFO L325 Elim1Store]: treesize reduction 140, result has 78.9 percent of original size [2025-03-19 22:19:38,059 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 240 treesize of output 609 [2025-03-19 22:19:39,592 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:39,712 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:39,786 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:19:39,993 WARN L656 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-03-19 22:19:40,498 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:41,235 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:41,506 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:41,570 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:41,581 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:19:41,601 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:41,837 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:41,851 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:19:41,903 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:19:41,947 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:41,993 WARN L656 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-03-19 22:19:42,033 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:19:42,187 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:43,336 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:43,345 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:19:43,381 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:43,424 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:44,063 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:44,309 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:44,359 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:19:44,523 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:19:44,642 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:44,697 WARN L656 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-03-19 22:19:44,740 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:19:45,089 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:53,543 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:19:58,566 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:01,807 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:03,795 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:03,895 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:03,930 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:07,155 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:07,245 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:07,295 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:17,184 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:17,215 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:17,288 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:17,326 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:17,356 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:17,396 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:17,458 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:17,474 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:17,479 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:17,485 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:17,493 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:18,132 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:18,168 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:18,199 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:18,236 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:18,307 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:18,349 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:18,372 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:19,641 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:19,668 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:19,670 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:19,704 WARN L656 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-03-19 22:20:19,719 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:19,737 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:19,752 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:19,760 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:19,786 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:19,805 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:19,822 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:19,856 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:19,872 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:19,887 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:19,936 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:19,964 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:19,976 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:19,991 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:20,077 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:20,135 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:20,187 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:20,226 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:20,305 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:20,337 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:20,375 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:21,254 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:21,289 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:21,347 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:21,378 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:21,411 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:21,530 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:21,588 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:21,619 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:21,651 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:21,667 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:21,881 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:21,908 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:21,930 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:21,946 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:21,968 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:21,995 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:22,011 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:22,022 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:22,105 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:22,130 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:22,152 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:22,178 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:22,199 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:22,225 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:22,247 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:22,481 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:22,525 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:22,724 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:22,767 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:23,009 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:23,053 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:23,225 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:23,295 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:23,338 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:23,502 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:23,524 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:23,551 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:23,573 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:23,604 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:23,628 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:23,650 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:23,663 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:23,775 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:23,798 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:23,824 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:23,850 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:23,864 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:23,881 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:23,907 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:23,929 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:25,315 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:30,978 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:31,049 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:31,088 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:31,122 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-03-19 22:20:31,250 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-03-19 22:20:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 9 proven. 108 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:20:32,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913778206] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:20:32,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:20:32,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27, 27] total 78 [2025-03-19 22:20:32,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540328373] [2025-03-19 22:20:32,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:20:32,871 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2025-03-19 22:20:32,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:20:32,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2025-03-19 22:20:32,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1165, Invalid=4995, Unknown=2, NotChecked=0, Total=6162 [2025-03-19 22:20:32,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:20:32,873 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:20:32,873 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 2.949367088607595) internal successors, (233), 78 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:20:32,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:20:32,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:20:32,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:20:32,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:20:32,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:20:32,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:20:32,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:20:32,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:20:32,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:20:32,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:20:32,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:20:32,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:20:32,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:20:32,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:20:41,750 WARN L538 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-19 22:20:46,576 WARN L538 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-19 22:20:52,168 WARN L538 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-19 22:20:54,532 WARN L538 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-19 22:20:57,684 WARN L538 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-03-19 22:21:00,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:21:00,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:00,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:00,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:21:00,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:21:00,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:21:00,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:21:00,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:00,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:21:00,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:21:00,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:21:00,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:21:00,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:21:00,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:21:00,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-19 22:21:00,665 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-19 22:21:00,665 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:21:00,666 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:21:00,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1035823688, now seen corresponding path program 7 times [2025-03-19 22:21:00,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:21:00,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969258921] [2025-03-19 22:21:00,666 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 22:21:00,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:21:00,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-19 22:21:00,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-19 22:21:00,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 22:21:00,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:21:05,245 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 7 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:21:05,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:21:05,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969258921] [2025-03-19 22:21:05,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969258921] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:21:05,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228076407] [2025-03-19 22:21:05,245 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 22:21:05,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:21:05,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:21:05,247 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) [2025-03-19 22:21:05,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-19 22:21:05,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-19 22:21:05,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-19 22:21:05,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 22:21:05,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:21:05,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 76 conjuncts are in the unsatisfiable core [2025-03-19 22:21:05,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:21:06,561 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 22:21:06,561 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 79 treesize of output 25 [2025-03-19 22:21:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 20 proven. 131 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 22:21:06,690 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:21:08,087 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 22:21:08,088 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 211 treesize of output 400 [2025-03-19 22:21:08,740 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 1 proven. 106 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-03-19 22:21:08,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228076407] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:21:08,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:21:08,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 25, 17] total 75 [2025-03-19 22:21:08,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951924723] [2025-03-19 22:21:08,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:21:08,740 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2025-03-19 22:21:08,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:21:08,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2025-03-19 22:21:08,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=5260, Unknown=0, NotChecked=0, Total=5700 [2025-03-19 22:21:08,742 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:21:08,742 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:21:08,742 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 3.3552631578947367) internal successors, (255), 75 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:21:08,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:21:18,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:21:18,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2025-03-19 22:21:18,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-19 22:21:18,720 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:21:18,720 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:21:18,721 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:21:18,721 INFO L85 PathProgramCache]: Analyzing trace with hash 877716924, now seen corresponding path program 8 times [2025-03-19 22:21:18,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:21:18,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984178964] [2025-03-19 22:21:18,721 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 22:21:18,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:21:18,729 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 116 statements into 2 equivalence classes. [2025-03-19 22:21:18,739 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 116 of 116 statements. [2025-03-19 22:21:18,740 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:21:18,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:21:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 105 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:21:19,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:21:19,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984178964] [2025-03-19 22:21:19,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984178964] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:21:19,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108007949] [2025-03-19 22:21:19,186 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 22:21:19,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:21:19,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:21:19,188 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) [2025-03-19 22:21:19,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-19 22:21:19,245 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 116 statements into 2 equivalence classes. [2025-03-19 22:21:19,277 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 116 of 116 statements. [2025-03-19 22:21:19,277 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:21:19,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:21:19,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-19 22:21:19,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:21:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 218 proven. 67 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-19 22:21:19,856 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:21:20,680 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 187 proven. 98 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-19 22:21:20,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108007949] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:21:20,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:21:20,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 24] total 69 [2025-03-19 22:21:20,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818394572] [2025-03-19 22:21:20,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:21:20,680 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-03-19 22:21:20,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:21:20,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-03-19 22:21:20,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=974, Invalid=3856, Unknown=0, NotChecked=0, Total=4830 [2025-03-19 22:21:20,682 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:21:20,682 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:21:20,683 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 4.514285714285714) internal successors, (316), 69 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) [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2025-03-19 22:21:20,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:21:21,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:21:21,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2025-03-19 22:21:21,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:21:21,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-19 22:21:21,405 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-19 22:21:21,405 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:21:21,406 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:21:21,406 INFO L85 PathProgramCache]: Analyzing trace with hash -996849755, now seen corresponding path program 9 times [2025-03-19 22:21:21,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:21:21,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539231109] [2025-03-19 22:21:21,406 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 22:21:21,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:21:21,414 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 117 statements into 7 equivalence classes. [2025-03-19 22:21:21,528 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 117 of 117 statements. [2025-03-19 22:21:21,529 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-03-19 22:21:21,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:21:24,506 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 16 proven. 282 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:21:24,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:21:24,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539231109] [2025-03-19 22:21:24,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539231109] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:21:24,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689038928] [2025-03-19 22:21:24,506 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 22:21:24,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:21:24,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:21:24,508 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) [2025-03-19 22:21:24,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-19 22:21:24,560 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 117 statements into 7 equivalence classes. [2025-03-19 22:21:24,895 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 117 of 117 statements. [2025-03-19 22:21:24,895 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-03-19 22:21:24,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:21:24,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 121 conjuncts are in the unsatisfiable core [2025-03-19 22:21:24,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:21:25,336 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 [2025-03-19 22:21:28,296 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 22:21:28,297 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 131 treesize of output 41 [2025-03-19 22:21:28,537 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 298 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:21:28,537 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:21:34,698 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 557 treesize of output 497 [2025-03-19 22:21:38,462 INFO L325 Elim1Store]: treesize reduction 450, result has 54.1 percent of original size [2025-03-19 22:21:38,472 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 124105 treesize of output 53910 [2025-03-19 22:23:13,619 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 298 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:23:13,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689038928] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:23:13,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:23:13,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 39, 39] total 116 [2025-03-19 22:23:13,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819538180] [2025-03-19 22:23:13,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:23:13,619 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2025-03-19 22:23:13,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:23:13,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2025-03-19 22:23:13,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1844, Invalid=11728, Unknown=0, NotChecked=0, Total=13572 [2025-03-19 22:23:13,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:23:13,623 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:23:13,623 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 2.9145299145299144) internal successors, (341), 116 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:23:13,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:23:31,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:23:31,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-19 22:23:31,609 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-19 22:23:31,609 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:23:31,609 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:23:31,609 INFO L85 PathProgramCache]: Analyzing trace with hash 579642767, now seen corresponding path program 10 times [2025-03-19 22:23:31,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:23:31,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518321100] [2025-03-19 22:23:31,609 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 22:23:31,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:23:31,618 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 135 statements into 2 equivalence classes. [2025-03-19 22:23:31,636 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-03-19 22:23:31,636 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 22:23:31,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:23:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 18 proven. 326 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2025-03-19 22:23:33,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:23:33,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518321100] [2025-03-19 22:23:33,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518321100] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:23:33,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012815218] [2025-03-19 22:23:33,644 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 22:23:33,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:23:33,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:23:33,645 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) [2025-03-19 22:23:33,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-19 22:23:33,702 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 135 statements into 2 equivalence classes. [2025-03-19 22:23:33,748 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-03-19 22:23:33,748 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 22:23:33,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:23:33,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 129 conjuncts are in the unsatisfiable core [2025-03-19 22:23:33,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:23:37,445 INFO L325 Elim1Store]: treesize reduction 111, result has 6.7 percent of original size [2025-03-19 22:23:37,446 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 169 treesize of output 62 [2025-03-19 22:23:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:23:37,681 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:23:44,429 INFO L325 Elim1Store]: treesize reduction 766, result has 49.8 percent of original size [2025-03-19 22:23:44,430 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 414 treesize of output 852 [2025-03-19 22:23:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:23:46,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012815218] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:23:46,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:23:46,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 46, 44] total 112 [2025-03-19 22:23:46,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534462349] [2025-03-19 22:23:46,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:23:46,771 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2025-03-19 22:23:46,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:23:46,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2025-03-19 22:23:46,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1808, Invalid=10848, Unknown=0, NotChecked=0, Total=12656 [2025-03-19 22:23:46,773 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:23:46,773 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:23:46,774 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 3.230088495575221) internal successors, (365), 112 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:23:46,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:25:13,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:25:13,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 420 states. [2025-03-19 22:25:13,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-19 22:25:13,953 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-19 22:25:13,953 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:25:13,953 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:25:13,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1186059235, now seen corresponding path program 11 times [2025-03-19 22:25:13,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:25:13,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946842652] [2025-03-19 22:25:13,954 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 22:25:13,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:25:13,963 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 160 statements into 10 equivalence classes. [2025-03-19 22:25:14,009 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 160 of 160 statements. [2025-03-19 22:25:14,009 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-03-19 22:25:14,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:25:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 459 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:25:14,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:25:14,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946842652] [2025-03-19 22:25:14,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946842652] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:25:14,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639791662] [2025-03-19 22:25:14,658 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 22:25:14,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:25:14,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:25:14,659 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) [2025-03-19 22:25:14,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-19 22:25:14,722 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 160 statements into 10 equivalence classes. [2025-03-19 22:25:14,848 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 160 of 160 statements. [2025-03-19 22:25:14,848 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-03-19 22:25:14,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:25:14,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-19 22:25:14,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:25:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 492 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:25:15,743 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:25:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 415 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:25:16,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639791662] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:25:16,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:25:16,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 89 [2025-03-19 22:25:16,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212878056] [2025-03-19 22:25:16,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:25:16,655 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2025-03-19 22:25:16,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:25:16,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2025-03-19 22:25:16,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1589, Invalid=6421, Unknown=0, NotChecked=0, Total=8010 [2025-03-19 22:25:16,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:25:16,658 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:25:16,658 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 4.333333333333333) internal successors, (390), 89 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 420 states. [2025-03-19 22:25:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:25:18,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 420 states. [2025-03-19 22:25:18,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 22:25:18,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-19 22:25:18,656 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:25:18,656 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:25:18,657 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:25:18,657 INFO L85 PathProgramCache]: Analyzing trace with hash 653900876, now seen corresponding path program 12 times [2025-03-19 22:25:18,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:25:18,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621873878] [2025-03-19 22:25:18,657 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 22:25:18,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:25:18,669 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 161 statements into 10 equivalence classes. [2025-03-19 22:25:18,739 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 161 of 161 statements. [2025-03-19 22:25:18,740 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-03-19 22:25:18,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:25:19,474 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 527 proven. 157 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:25:19,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:25:19,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621873878] [2025-03-19 22:25:19,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621873878] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:25:19,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674978403] [2025-03-19 22:25:19,475 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 22:25:19,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:25:19,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:25:19,476 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) [2025-03-19 22:25:19,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-19 22:25:19,540 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 161 statements into 10 equivalence classes. [2025-03-19 22:25:21,732 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 161 of 161 statements. [2025-03-19 22:25:21,732 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-03-19 22:25:21,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:25:21,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-03-19 22:25:21,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:25:22,840 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 557 proven. 125 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-19 22:25:22,840 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:25:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 460 proven. 222 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-19 22:25:24,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674978403] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:25:24,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:25:24,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 33] total 97 [2025-03-19 22:25:24,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949211618] [2025-03-19 22:25:24,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:25:24,233 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-03-19 22:25:24,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:25:24,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-03-19 22:25:24,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1357, Invalid=8149, Unknown=0, NotChecked=0, Total=9506 [2025-03-19 22:25:24,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:25:24,235 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:25:24,235 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 4.408163265306122) internal successors, (432), 97 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 420 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 22:25:24,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 420 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 22:25:26,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:25:26,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-19 22:25:27,012 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:25:27,012 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:25:27,012 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:25:27,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1336860931, now seen corresponding path program 13 times [2025-03-19 22:25:27,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:25:27,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377394018] [2025-03-19 22:25:27,012 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 22:25:27,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:25:27,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-19 22:25:27,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-19 22:25:27,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 22:25:27,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:25:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 296 proven. 404 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:25:40,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:25:40,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377394018] [2025-03-19 22:25:40,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377394018] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:25:40,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355971300] [2025-03-19 22:25:40,962 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 22:25:40,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:25:40,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:25:40,963 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) [2025-03-19 22:25:40,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-19 22:25:41,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-19 22:25:41,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-19 22:25:41,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 22:25:41,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:25:41,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 158 conjuncts are in the unsatisfiable core [2025-03-19 22:25:41,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:25:48,035 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 22:25:48,035 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 178 treesize of output 60 [2025-03-19 22:25:48,302 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 6 proven. 694 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:25:48,302 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:25:59,542 INFO L325 Elim1Store]: treesize reduction 1050, result has 52.7 percent of original size [2025-03-19 22:25:59,542 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 516 treesize of output 1284 [2025-03-19 22:26:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 0 proven. 700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:26:03,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355971300] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:26:03,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:26:03,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 53, 53] total 159 [2025-03-19 22:26:03,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273663209] [2025-03-19 22:26:03,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:26:03,141 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 160 states [2025-03-19 22:26:03,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:26:03,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2025-03-19 22:26:03,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4196, Invalid=21244, Unknown=0, NotChecked=0, Total=25440 [2025-03-19 22:26:03,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:26:03,144 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:26:03,144 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 160 states, 160 states have (on average 2.975) internal successors, (476), 159 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 420 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:26:03,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:26:34,423 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 420 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:26:34,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-03-19 22:26:34,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-19 22:26:34,625 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:26:34,625 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:26:34,625 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:26:34,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1521084650, now seen corresponding path program 14 times [2025-03-19 22:26:34,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:26:34,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919757063] [2025-03-19 22:26:34,625 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 22:26:34,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:26:34,638 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 181 statements into 2 equivalence classes. [2025-03-19 22:26:34,732 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 181 of 181 statements. [2025-03-19 22:26:34,732 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:26:34,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:27:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 120 proven. 823 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:27:17,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:27:17,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919757063] [2025-03-19 22:27:17,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919757063] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:27:17,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453446354] [2025-03-19 22:27:17,135 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 22:27:17,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:27:17,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:27:17,136 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) [2025-03-19 22:27:17,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-19 22:27:17,259 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 181 statements into 2 equivalence classes. [2025-03-19 22:27:17,325 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 181 of 181 statements. [2025-03-19 22:27:17,325 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:27:17,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:27:17,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 159 conjuncts are in the unsatisfiable core [2025-03-19 22:27:17,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:27:24,264 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 138 proven. 777 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-19 22:27:24,265 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:27:38,149 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 22:27:38,150 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 584 treesize of output 2984 [2025-03-19 22:27:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 0 proven. 753 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-03-19 22:27:52,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453446354] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:27:52,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:27:52,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 52, 40] total 154 [2025-03-19 22:27:52,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142538228] [2025-03-19 22:27:52,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:27:52,571 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 155 states [2025-03-19 22:27:52,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:27:52,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2025-03-19 22:27:52,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1975, Invalid=21895, Unknown=0, NotChecked=0, Total=23870 [2025-03-19 22:27:52,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:27:52,573 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:27:52,573 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 155 states, 155 states have (on average 3.2838709677419353) internal successors, (509), 154 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 420 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-03-19 22:27:52,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 482 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:29:25,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-03-19 22:29:25,531 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-03-19 22:29:25,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-19 22:29:25,731 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-03-19 22:29:25,732 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:29:25,732 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:29:25,732 INFO L85 PathProgramCache]: Analyzing trace with hash 2119168187, now seen corresponding path program 15 times [2025-03-19 22:29:25,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:29:25,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046297608] [2025-03-19 22:29:25,732 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 22:29:25,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:29:25,745 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 211 statements into 13 equivalence classes. [2025-03-19 22:29:25,894 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 211 of 211 statements. [2025-03-19 22:29:25,894 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-03-19 22:29:25,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:29:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 999 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:29:27,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:29:27,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046297608] [2025-03-19 22:29:27,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046297608] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:29:27,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576805661] [2025-03-19 22:29:27,150 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 22:29:27,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:29:27,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:29:27,151 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) [2025-03-19 22:29:27,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-19 22:29:27,231 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 211 statements into 13 equivalence classes. [2025-03-19 22:29:34,599 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 211 of 211 statements. [2025-03-19 22:29:34,599 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-03-19 22:29:34,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:29:34,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-03-19 22:29:34,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:29:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 998 proven. 261 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 22:29:36,236 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:29:38,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 968 proven. 291 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 22:29:38,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576805661] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:29:38,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:29:38,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 44, 44] total 131 [2025-03-19 22:29:38,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32315796] [2025-03-19 22:29:38,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:29:38,272 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2025-03-19 22:29:38,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:29:38,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2025-03-19 22:29:38,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4303, Invalid=12989, Unknown=0, NotChecked=0, Total=17292 [2025-03-19 22:29:38,275 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:29:38,275 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:29:38,275 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 4.416666666666667) internal successors, (583), 131 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:29:38,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:29:38,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:29:38,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:29:38,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:29:38,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:29:38,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:29:38,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:29:38,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:29:38,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:29:38,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:29:38,275 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:29:38,276 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:29:38,276 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:29:38,276 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:29:38,276 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:29:38,276 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:29:38,276 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:29:38,276 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 482 states. [2025-03-19 22:29:38,276 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 22:29:38,276 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:29:38,276 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-03-19 22:29:38,276 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2025-03-19 22:29:38,276 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 482 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 22:29:47,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:29:47,834 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-03-19 22:29:47,834 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-03-19 22:29:47,834 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 22:29:47,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-03-19 22:29:48,034 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:29:48,035 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:29:48,035 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:29:48,035 INFO L85 PathProgramCache]: Analyzing trace with hash -2006558286, now seen corresponding path program 16 times [2025-03-19 22:29:48,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:29:48,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337961235] [2025-03-19 22:29:48,035 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 22:29:48,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:29:48,053 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 212 statements into 2 equivalence classes. [2025-03-19 22:29:48,094 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 212 of 212 statements. [2025-03-19 22:29:48,095 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 22:29:48,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:29:49,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 541 proven. 738 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-19 22:29:49,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:29:49,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337961235] [2025-03-19 22:29:49,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337961235] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:29:49,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964468630] [2025-03-19 22:29:49,334 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 22:29:49,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:29:49,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:29:49,336 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) [2025-03-19 22:29:49,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-19 22:29:49,419 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 212 statements into 2 equivalence classes. [2025-03-19 22:29:49,473 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 212 of 212 statements. [2025-03-19 22:29:49,474 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 22:29:49,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:29:49,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-03-19 22:29:49,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:29:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 1030 proven. 251 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:29:51,074 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:29:52,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 978 proven. 303 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:29:52,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964468630] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:29:52,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:29:52,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 46, 46] total 133 [2025-03-19 22:29:52,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994468215] [2025-03-19 22:29:52,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:29:52,926 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2025-03-19 22:29:52,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:29:52,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2025-03-19 22:29:52,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3227, Invalid=14595, Unknown=0, NotChecked=0, Total=17822 [2025-03-19 22:29:52,929 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:29:52,929 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:29:52,930 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 4.2835820895522385) internal successors, (574), 133 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 482 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 22:29:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:30:00,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:30:00,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:30:00,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:30:00,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 482 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 22:30:00,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 22:30:00,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-19 22:30:01,155 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-03-19 22:30:01,155 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:30:01,156 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:30:01,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1055060069, now seen corresponding path program 17 times [2025-03-19 22:30:01,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:30:01,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277723009] [2025-03-19 22:30:01,156 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 22:30:01,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:30:01,169 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 213 statements into 13 equivalence classes. [2025-03-19 22:30:01,288 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 213 of 213 statements. [2025-03-19 22:30:01,288 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-03-19 22:30:01,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:30:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 743 proven. 560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:30:16,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:30:16,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277723009] [2025-03-19 22:30:16,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277723009] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:30:16,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654583006] [2025-03-19 22:30:16,695 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 22:30:16,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:30:16,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:30:16,696 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) [2025-03-19 22:30:16,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-19 22:30:16,788 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 213 statements into 13 equivalence classes. [2025-03-19 22:30:21,536 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 213 of 213 statements. [2025-03-19 22:30:21,536 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-03-19 22:30:21,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:30:21,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 205 conjuncts are in the unsatisfiable core [2025-03-19 22:30:21,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:30:34,158 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 22:30:34,158 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 19 select indices, 19 select index equivalence classes, 171 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 171 case distinctions, treesize of input 228 treesize of output 76 [2025-03-19 22:30:34,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 0 proven. 1303 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:30:34,750 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:30:57,004 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 1215 DAG size of output: 666 (called from [L 323] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-03-19 22:30:57,004 INFO L325 Elim1Store]: treesize reduction 1710, result has 52.1 percent of original size [2025-03-19 22:30:57,005 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 38 select indices, 38 select index equivalence classes, 0 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 703 case distinctions, treesize of input 652 treesize of output 2004 [2025-03-19 22:31:03,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 0 proven. 1303 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:31:03,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654583006] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:31:03,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:31:03,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 70, 70] total 214 [2025-03-19 22:31:03,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519489500] [2025-03-19 22:31:03,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:31:03,512 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 215 states [2025-03-19 22:31:03,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:31:03,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 215 interpolants. [2025-03-19 22:31:03,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8846, Invalid=37164, Unknown=0, NotChecked=0, Total=46010 [2025-03-19 22:31:03,516 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:31:03,516 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:31:03,517 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 215 states, 215 states have (on average 2.925581395348837) internal successors, (629), 214 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 482 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 22:31:03,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 482 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 22:32:08,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2025-03-19 22:32:08,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-19 22:32:08,772 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-03-19 22:32:08,772 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 22:32:08,772 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:32:08,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1680164785, now seen corresponding path program 18 times [2025-03-19 22:32:08,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:32:08,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450618971] [2025-03-19 22:32:08,773 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 22:32:08,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:32:08,787 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 231 statements into 15 equivalence classes. [2025-03-19 22:32:09,148 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 231 of 231 statements. [2025-03-19 22:32:09,149 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-03-19 22:32:09,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:32:21,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 52 proven. 1551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:32:21,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:32:21,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450618971] [2025-03-19 22:32:21,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450618971] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:32:21,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86633484] [2025-03-19 22:32:21,015 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 22:32:21,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:32:21,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:32:21,017 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) [2025-03-19 22:32:21,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-19 22:32:21,113 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 231 statements into 15 equivalence classes. [2025-03-19 22:32:24,371 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 231 of 231 statements. [2025-03-19 22:32:24,371 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-03-19 22:32:24,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:32:24,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 224 conjuncts are in the unsatisfiable core [2025-03-19 22:32:24,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:32:26,168 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 [2025-03-19 22:32:39,534 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-19 22:32:39,534 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 21 select indices, 21 select index equivalence classes, 0 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 210 case distinctions, treesize of input 273 treesize of output 84 [2025-03-19 22:32:39,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1603 backedges. 251 proven. 1352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:32:39,990 INFO L312 TraceCheckSpWp]: Computing backward predicates... Killed by 15