./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.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-proofs-counter-add-4-semi-Q67.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 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 --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 22:12:28,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-19 22:12:28,747 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-03-19 22:12:28,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-19 22:12:28,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-19 22:12:28,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-19 22:12:28,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-19 22:12:28,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-19 22:12:28,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-19 22:12:28,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-19 22:12:28,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-19 22:12:28,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-19 22:12:28,775 INFO L153 SettingsManager]: * Use SBE=true [2025-03-19 22:12:28,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-19 22:12:28,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-19 22:12:28,776 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-19 22:12:28,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-19 22:12:28,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-19 22:12:28,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-19 22:12:28,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-19 22:12:28,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-19 22:12:28,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-19 22:12:28,777 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-19 22:12:28,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-19 22:12:28,777 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-19 22:12:28,777 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-19 22:12:28,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-19 22:12:28,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-19 22:12:28,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-19 22:12:28,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-19 22:12:28,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-19 22:12:28,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-19 22:12:28,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-19 22:12:28,778 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-19 22:12:28,778 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-03-19 22:12:28,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-19 22:12:28,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-19 22:12:28,778 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-03-19 22:12:28,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-19 22:12:28,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-03-19 22:12:28,778 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-03-19 22:12:28,778 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-03-19 22:12:28,778 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 -> 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 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 22:12:29,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-19 22:12:29,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-19 22:12:29,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-19 22:12:29,050 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-19 22:12:29,051 INFO L274 PluginConnector]: CDTParser initialized [2025-03-19 22:12:29,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2025-03-19 22:12:30,359 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2741a1c49/1d0304121c834a0e84cd8b5ff0095b58/FLAG450a75f63 [2025-03-19 22:12:30,502 INFO L389 CDTParser]: Found 1 translation units. [2025-03-19 22:12:30,502 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2025-03-19 22:12:30,507 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2741a1c49/1d0304121c834a0e84cd8b5ff0095b58/FLAG450a75f63 [2025-03-19 22:12:31,359 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2741a1c49/1d0304121c834a0e84cd8b5ff0095b58 [2025-03-19 22:12:31,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-19 22:12:31,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-19 22:12:31,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-19 22:12:31,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-19 22:12:31,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-19 22:12:31,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267fc695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31, skipping insertion in model container [2025-03-19 22:12:31,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-19 22:12:31,508 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-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2025-03-19 22:12:31,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-19 22:12:31,517 INFO L200 MainTranslator]: Completed pre-run [2025-03-19 22:12:31,543 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-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2025-03-19 22:12:31,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-19 22:12:31,560 INFO L204 MainTranslator]: Completed translation [2025-03-19 22:12:31,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31 WrapperNode [2025-03-19 22:12:31,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-19 22:12:31,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-19 22:12:31,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-19 22:12:31,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-19 22:12:31,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,586 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 108 [2025-03-19 22:12:31,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-19 22:12:31,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-19 22:12:31,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-19 22:12:31,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-19 22:12:31,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,606 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-19 22:12:31,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-19 22:12:31,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-19 22:12:31,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-19 22:12:31,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31" (1/1) ... [2025-03-19 22:12:31,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-19 22:12:31,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:12:31,639 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 22:12:31,642 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 22:12:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-19 22:12:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-19 22:12:31,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-19 22:12:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-19 22:12:31,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-19 22:12:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-19 22:12:31,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-19 22:12:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-03-19 22:12:31,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-03-19 22:12:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-19 22:12:31,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-19 22:12:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-19 22:12:31,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-19 22:12:31,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-19 22:12:31,662 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 22:12:31,732 INFO L234 CfgBuilder]: Building ICFG [2025-03-19 22:12:31,733 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-19 22:12:31,864 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-19 22:12:31,864 INFO L283 CfgBuilder]: Performing block encoding [2025-03-19 22:12:31,994 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-19 22:12:31,994 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-19 22:12:31,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 10:12:31 BoogieIcfgContainer [2025-03-19 22:12:31,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-19 22:12:31,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-19 22:12:31,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-19 22:12:32,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-19 22:12:32,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.03 10:12:31" (1/3) ... [2025-03-19 22:12:32,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127bdb72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 10:12:32, skipping insertion in model container [2025-03-19 22:12:32,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 10:12:31" (2/3) ... [2025-03-19 22:12:32,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127bdb72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 10:12:32, skipping insertion in model container [2025-03-19 22:12:32,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 10:12:31" (3/3) ... [2025-03-19 22:12:32,003 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2025-03-19 22:12:32,012 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-19 22:12:32,014 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c that has 5 procedures, 33 locations, 32 edges, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-19 22:12:32,015 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-19 22:12:32,059 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-03-19 22:12:32,111 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-19 22:12:32,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-03-19 22:12:32,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:12:32,114 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 22:12:32,116 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 22:12:32,170 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-03-19 22:12:32,175 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-03-19 22:12:32,179 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;@7abbd478, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-19 22:12:32,179 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-19 22:12:32,430 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 2 more)] === [2025-03-19 22:12:32,434 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:12:32,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1487589633, now seen corresponding path program 1 times [2025-03-19 22:12:32,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:12:32,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541375438] [2025-03-19 22:12:32,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 22:12:32,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:12:32,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-19 22:12:32,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-19 22:12:32,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 22:12:32,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:12:33,037 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 22:12:33,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:12:33,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541375438] [2025-03-19 22:12:33,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541375438] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 22:12:33,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 22:12:33,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-19 22:12:33,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265680755] [2025-03-19 22:12:33,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 22:12:33,044 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-19 22:12:33,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:12:33,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-19 22:12:33,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-03-19 22:12:33,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:12:33,058 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:12:33,059 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:12:33,059 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:12:33,347 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:12:33,347 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-19 22:12:33,347 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 2 more)] === [2025-03-19 22:12:33,348 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:12:33,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1973583595, now seen corresponding path program 2 times [2025-03-19 22:12:33,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:12:33,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545684638] [2025-03-19 22:12:33,349 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 22:12:33,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:12:33,359 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-03-19 22:12:33,376 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-03-19 22:12:33,376 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:12:33,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:12:33,532 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 22:12:33,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:12:33,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545684638] [2025-03-19 22:12:33,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545684638] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:12:33,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181939022] [2025-03-19 22:12:33,533 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 22:12:33,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:12:33,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:12:33,537 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 22:12:33,538 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 22:12:33,577 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-03-19 22:12:33,608 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-03-19 22:12:33,608 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:12:33,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:12:33,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-19 22:12:33,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:12:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 22:12:33,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:12:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 22:12:33,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181939022] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:12:33,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:12:33,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-03-19 22:12:33,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866629167] [2025-03-19 22:12:33,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:12:33,887 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-19 22:12:33,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:12:33,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-19 22:12:33,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2025-03-19 22:12:33,888 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:12:33,891 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:12:33,891 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 13 states have internal predecessors, (93), 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 22:12:33,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:12:33,891 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:12:34,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:12:34,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:12:34,161 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 22:12:34,355 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-19 22:12:34,355 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 2 more)] === [2025-03-19 22:12:34,355 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:12:34,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1408590341, now seen corresponding path program 3 times [2025-03-19 22:12:34,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:12:34,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517018994] [2025-03-19 22:12:34,355 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 22:12:34,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:12:34,362 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 61 statements into 4 equivalence classes. [2025-03-19 22:12:34,382 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 61 of 61 statements. [2025-03-19 22:12:34,383 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-19 22:12:34,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:12:34,709 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-03-19 22:12:34,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:12:34,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517018994] [2025-03-19 22:12:34,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517018994] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:12:34,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472836148] [2025-03-19 22:12:34,709 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 22:12:34,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:12:34,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:12:34,711 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 22:12:34,713 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 22:12:34,752 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 61 statements into 4 equivalence classes. [2025-03-19 22:12:34,778 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 61 of 61 statements. [2025-03-19 22:12:34,778 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-19 22:12:34,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:12:34,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-19 22:12:34,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:12:35,065 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:12:35,066 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:12:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:12:35,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472836148] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:12:35,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:12:35,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 26 [2025-03-19 22:12:35,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790063387] [2025-03-19 22:12:35,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:12:35,331 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-03-19 22:12:35,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:12:35,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-03-19 22:12:35,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2025-03-19 22:12:35,331 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:12:35,331 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:12:35,332 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.592592592592593) internal successors, (151), 26 states have internal predecessors, (151), 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 22:12:35,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:12:35,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:12:35,332 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:12:36,723 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:12:36,723 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:12:36,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 22:12:36,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-19 22:12:36,924 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:12:36,924 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 2 more)] === [2025-03-19 22:12:36,925 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:12:36,925 INFO L85 PathProgramCache]: Analyzing trace with hash 357452345, now seen corresponding path program 4 times [2025-03-19 22:12:36,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:12:36,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904360759] [2025-03-19 22:12:36,925 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 22:12:36,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:12:36,932 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 101 statements into 2 equivalence classes. [2025-03-19 22:12:36,954 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-03-19 22:12:36,954 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 22:12:36,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:12:37,379 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-19 22:12:37,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:12:37,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904360759] [2025-03-19 22:12:37,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904360759] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 22:12:37,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 22:12:37,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-19 22:12:37,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514722835] [2025-03-19 22:12:37,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 22:12:37,381 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-19 22:12:37,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:12:37,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-19 22:12:37,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-19 22:12:37,381 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:12:37,381 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:12:37,381 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:12:37,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:12:37,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:12:37,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 22:12:37,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:12:37,469 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:12:37,469 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:12:37,469 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-19 22:12:37,470 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:12:37,470 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-19 22:12:37,470 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 2 more)] === [2025-03-19 22:12:37,470 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:12:37,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1331824073, now seen corresponding path program 5 times [2025-03-19 22:12:37,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:12:37,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923707425] [2025-03-19 22:12:37,471 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 22:12:37,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:12:37,478 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 9 equivalence classes. [2025-03-19 22:12:37,490 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 107 of 107 statements. [2025-03-19 22:12:37,490 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-03-19 22:12:37,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:12:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2025-03-19 22:12:37,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:12:37,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923707425] [2025-03-19 22:12:37,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923707425] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:12:37,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937820255] [2025-03-19 22:12:37,736 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 22:12:37,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:12:37,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:12:37,738 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 22:12:37,739 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 22:12:37,783 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 9 equivalence classes. [2025-03-19 22:12:37,821 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 107 of 107 statements. [2025-03-19 22:12:37,821 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-03-19 22:12:37,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:12:37,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-19 22:12:37,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:12:38,377 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 15 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:12:38,378 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:12:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 15 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:12:39,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937820255] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:12:39,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:12:39,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 24, 24] total 50 [2025-03-19 22:12:39,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48393808] [2025-03-19 22:12:39,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:12:39,035 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2025-03-19 22:12:39,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:12:39,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2025-03-19 22:12:39,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=673, Invalid=1877, Unknown=0, NotChecked=0, Total=2550 [2025-03-19 22:12:39,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:12:39,037 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:12:39,037 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 4.450980392156863) internal successors, (227), 50 states have internal predecessors, (227), 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 22:12:39,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:12:39,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:12:39,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-19 22:12:39,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:12:39,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:12:44,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:12:44,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:12:44,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-03-19 22:12:44,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:12:44,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-03-19 22:12:44,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-19 22:12:44,583 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:12:44,583 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 2 more)] === [2025-03-19 22:12:44,583 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:12:44,583 INFO L85 PathProgramCache]: Analyzing trace with hash -710985081, now seen corresponding path program 6 times [2025-03-19 22:12:44,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:12:44,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583612353] [2025-03-19 22:12:44,584 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 22:12:44,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:12:44,592 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 199 statements into 21 equivalence classes. [2025-03-19 22:12:44,673 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 199 of 199 statements. [2025-03-19 22:12:44,673 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-03-19 22:12:44,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:12:45,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2025-03-19 22:12:45,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:12:45,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583612353] [2025-03-19 22:12:45,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583612353] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:12:45,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24816789] [2025-03-19 22:12:45,435 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 22:12:45,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:12:45,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:12:45,439 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 22:12:45,440 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 22:12:45,501 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 199 statements into 21 equivalence classes. [2025-03-19 22:12:45,571 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 199 of 199 statements. [2025-03-19 22:12:45,571 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-03-19 22:12:45,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:12:45,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-03-19 22:12:45,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:12:46,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:12:46,709 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:12:47,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:12:47,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24816789] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:12:47,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:12:47,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 48, 48] total 100 [2025-03-19 22:12:47,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989458581] [2025-03-19 22:12:47,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:12:47,659 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2025-03-19 22:12:47,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:12:47,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2025-03-19 22:12:47,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2808, Invalid=7292, Unknown=0, NotChecked=0, Total=10100 [2025-03-19 22:12:47,663 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:12:47,664 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:12:47,664 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 4.158415841584159) internal successors, (420), 100 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:12:47,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:12:47,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:12:47,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-03-19 22:12:47,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:12:47,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-03-19 22:12:47,665 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:12:51,765 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:12:51,765 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:12:51,765 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-19 22:12:51,765 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:12:51,765 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-03-19 22:12:51,765 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2025-03-19 22:12:51,771 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 22:12:51,966 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,SelfDestructingSolverStorable5 [2025-03-19 22:12:51,966 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 2 more)] === [2025-03-19 22:12:51,966 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:12:51,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1325968353, now seen corresponding path program 7 times [2025-03-19 22:12:51,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:12:51,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370267430] [2025-03-19 22:12:51,966 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 22:12:51,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:12:51,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-03-19 22:12:52,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-03-19 22:12:52,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 22:12:52,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:12:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2310 backedges. 4 proven. 190 refuted. 0 times theorem prover too weak. 2116 trivial. 0 not checked. [2025-03-19 22:12:53,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:12:53,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370267430] [2025-03-19 22:12:53,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370267430] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:12:53,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659864645] [2025-03-19 22:12:53,496 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 22:12:53,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:12:53,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:12:53,500 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 22:12:53,501 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 22:12:53,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-03-19 22:12:53,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-03-19 22:12:53,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 22:12:53,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:12:53,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-03-19 22:12:53,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:12:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2310 backedges. 2 proven. 2304 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-19 22:12:55,050 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:12:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2310 backedges. 2 proven. 2304 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-19 22:12:57,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659864645] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:12:57,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:12:57,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 55, 55] total 119 [2025-03-19 22:12:57,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185101119] [2025-03-19 22:12:57,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:12:57,468 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2025-03-19 22:12:57,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:12:57,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2025-03-19 22:12:57,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2651, Invalid=11629, Unknown=0, NotChecked=0, Total=14280 [2025-03-19 22:12:57,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:12:57,474 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:12:57,475 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 4.116666666666666) internal successors, (494), 119 states have internal predecessors, (494), 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 22:12:57,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:12:57,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:12:57,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-03-19 22:12:57,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:12:57,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-03-19 22:12:57,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2025-03-19 22:12:57,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:13:27,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:13:27,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:13:27,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-19 22:13:27,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:13:27,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-03-19 22:13:27,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2025-03-19 22:13:27,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 360 states. [2025-03-19 22:13:27,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-19 22:13:27,891 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:13:27,892 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 2 more)] === [2025-03-19 22:13:27,892 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:13:27,892 INFO L85 PathProgramCache]: Analyzing trace with hash 349922693, now seen corresponding path program 8 times [2025-03-19 22:13:27,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:13:27,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428298373] [2025-03-19 22:13:27,893 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 22:13:27,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:13:27,907 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 463 statements into 2 equivalence classes. [2025-03-19 22:13:28,043 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 463 of 463 statements. [2025-03-19 22:13:28,043 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:13:28,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:13:30,906 INFO L134 CoverageAnalysis]: Checked inductivity of 11240 backedges. 314 proven. 106 refuted. 0 times theorem prover too weak. 10820 trivial. 0 not checked. [2025-03-19 22:13:30,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:13:30,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428298373] [2025-03-19 22:13:30,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428298373] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:13:30,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111963085] [2025-03-19 22:13:30,906 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 22:13:30,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:13:30,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:13:30,908 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 22:13:30,909 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 22:13:30,993 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 463 statements into 2 equivalence classes. [2025-03-19 22:13:31,093 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 463 of 463 statements. [2025-03-19 22:13:31,093 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 22:13:31,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:13:31,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 115 conjuncts are in the unsatisfiable core [2025-03-19 22:13:31,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:13:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 11240 backedges. 2 proven. 11236 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-19 22:13:34,810 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:13:42,713 INFO L134 CoverageAnalysis]: Checked inductivity of 11240 backedges. 2 proven. 11236 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-19 22:13:42,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111963085] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:13:42,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:13:42,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 113, 113] total 229 [2025-03-19 22:13:42,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160956628] [2025-03-19 22:13:42,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:13:42,714 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 230 states [2025-03-19 22:13:42,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:13:42,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2025-03-19 22:13:42,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10144, Invalid=42526, Unknown=0, NotChecked=0, Total=52670 [2025-03-19 22:13:42,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:13:42,725 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:13:42,726 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 230 states, 230 states have (on average 4.156521739130435) internal successors, (956), 229 states have internal predecessors, (956), 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 22:13:42,726 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:13:42,726 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:13:42,726 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-03-19 22:13:42,726 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:13:42,726 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-03-19 22:13:42,726 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2025-03-19 22:13:42,726 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 360 states. [2025-03-19 22:13:42,726 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:17:36,774 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:17:36,775 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:17:36,775 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-19 22:17:36,775 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 22:17:36,775 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-03-19 22:17:36,775 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2025-03-19 22:17:36,775 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 360 states. [2025-03-19 22:17:36,776 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 835 states. [2025-03-19 22:17:36,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-19 22:17:36,976 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,SelfDestructingSolverStorable7 [2025-03-19 22:17:36,976 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 2 more)] === [2025-03-19 22:17:36,977 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:17:36,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1540157317, now seen corresponding path program 9 times [2025-03-19 22:17:36,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:17:36,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586323794] [2025-03-19 22:17:36,977 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 22:17:36,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:17:37,004 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 911 statements into 112 equivalence classes. [2025-03-19 22:17:37,561 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 112 check-sat command(s) and asserted 911 of 911 statements. [2025-03-19 22:17:37,562 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 112 check-sat command(s) [2025-03-19 22:17:37,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:18:15,125 INFO L134 CoverageAnalysis]: Checked inductivity of 48951 backedges. 550 proven. 220 refuted. 0 times theorem prover too weak. 48181 trivial. 0 not checked. [2025-03-19 22:18:15,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:18:15,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586323794] [2025-03-19 22:18:15,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586323794] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:18:15,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573014525] [2025-03-19 22:18:15,126 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 22:18:15,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:18:15,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:18:15,128 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 22:18:15,129 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 22:18:15,253 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 911 statements into 112 equivalence classes. [2025-03-19 22:18:16,483 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 112 check-sat command(s) and asserted 911 of 911 statements. [2025-03-19 22:18:16,483 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 112 check-sat command(s) [2025-03-19 22:18:16,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:18:16,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 891 conjuncts are in the unsatisfiable core [2025-03-19 22:18:16,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:18:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 48951 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48951 trivial. 0 not checked. [2025-03-19 22:18:17,183 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-19 22:18:17,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573014525] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 22:18:17,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-19 22:18:17,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2025-03-19 22:18:17,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713192088] [2025-03-19 22:18:17,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 22:18:17,184 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-19 22:18:17,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:18:17,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-19 22:18:17,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-19 22:18:17,184 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:18:17,184 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:18:17,185 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 22:18:17,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:18:17,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:18:17,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-03-19 22:18:17,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 22:18:17,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-03-19 22:18:17,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2025-03-19 22:18:17,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 360 states. [2025-03-19 22:18:17,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 835 states. [2025-03-19 22:18:17,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:18:19,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:18:19,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:18:19,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-19 22:18:19,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 22:18:19,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-03-19 22:18:19,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2025-03-19 22:18:19,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 360 states. [2025-03-19 22:18:19,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 842 states. [2025-03-19 22:18:19,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:18:19,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-19 22:18:19,591 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:18:19,591 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 2 more)] === [2025-03-19 22:18:19,592 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:18:19,592 INFO L85 PathProgramCache]: Analyzing trace with hash -285008313, now seen corresponding path program 10 times [2025-03-19 22:18:19,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:18:19,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326143586] [2025-03-19 22:18:19,592 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 22:18:19,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:18:19,615 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 947 statements into 2 equivalence classes. [2025-03-19 22:18:20,364 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 947 of 947 statements. [2025-03-19 22:18:20,364 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 22:18:20,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:18:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 50076 backedges. 12 proven. 1224 refuted. 0 times theorem prover too weak. 48840 trivial. 0 not checked. [2025-03-19 22:18:59,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:18:59,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326143586] [2025-03-19 22:18:59,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326143586] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:18:59,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123586001] [2025-03-19 22:18:59,404 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 22:18:59,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:18:59,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:18:59,406 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 22:18:59,407 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 22:18:59,533 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 947 statements into 2 equivalence classes. [2025-03-19 22:18:59,779 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 947 of 947 statements. [2025-03-19 22:18:59,779 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 22:18:59,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:18:59,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 2713 conjuncts, 462 conjuncts are in the unsatisfiable core [2025-03-19 22:18:59,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:19:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 50076 backedges. 12 proven. 1224 refuted. 0 times theorem prover too weak. 48840 trivial. 0 not checked. [2025-03-19 22:19:00,495 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:19:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 50076 backedges. 12 proven. 1224 refuted. 0 times theorem prover too weak. 48840 trivial. 0 not checked. [2025-03-19 22:19:01,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123586001] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:19:01,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:19:01,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2025-03-19 22:19:01,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074887001] [2025-03-19 22:19:01,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:19:01,774 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-19 22:19:01,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:01,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-19 22:19:01,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-19 22:19:01,775 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:01,775 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:01,775 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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 22:19:01,775 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:19:01,775 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:01,775 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-03-19 22:19:01,775 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 22:19:01,775 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-03-19 22:19:01,775 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2025-03-19 22:19:01,775 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 360 states. [2025-03-19 22:19:01,775 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 842 states. [2025-03-19 22:19:01,775 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:01,775 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:02,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:19:02,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:02,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-19 22:19:02,048 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-19 22:19:02,048 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-03-19 22:19:02,048 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2025-03-19 22:19:02,048 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 360 states. [2025-03-19 22:19:02,048 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 842 states. [2025-03-19 22:19:02,048 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:02,048 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:02,060 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 22:19:02,248 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-19 22:19:02,248 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 2 more)] === [2025-03-19 22:19:02,249 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 22:19:02,249 INFO L85 PathProgramCache]: Analyzing trace with hash 275049397, now seen corresponding path program 11 times [2025-03-19 22:19:02,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 22:19:02,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584709925] [2025-03-19 22:19:02,249 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 22:19:02,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 22:19:02,273 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 951 statements into 113 equivalence classes. [2025-03-19 22:19:02,608 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) and asserted 951 of 951 statements. [2025-03-19 22:19:02,608 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) [2025-03-19 22:19:02,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 50080 backedges. 15 proven. 1221 refuted. 0 times theorem prover too weak. 48844 trivial. 0 not checked. [2025-03-19 22:19:15,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 22:19:15,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584709925] [2025-03-19 22:19:15,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584709925] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 22:19:15,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017501907] [2025-03-19 22:19:15,999 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 22:19:15,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 22:19:15,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 22:19:16,001 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 22:19:16,002 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 22:19:16,123 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 951 statements into 113 equivalence classes. [2025-03-19 22:19:16,823 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) and asserted 951 of 951 statements. [2025-03-19 22:19:16,823 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) [2025-03-19 22:19:16,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 22:19:16,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 2723 conjuncts, 236 conjuncts are in the unsatisfiable core [2025-03-19 22:19:16,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 22:19:27,871 INFO L134 CoverageAnalysis]: Checked inductivity of 50080 backedges. 16 proven. 50064 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:27,871 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 22:19:55,257 INFO L134 CoverageAnalysis]: Checked inductivity of 50080 backedges. 16 proven. 50064 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 22:19:55,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017501907] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 22:19:55,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 22:19:55,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 234, 234] total 473 [2025-03-19 22:19:55,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809592418] [2025-03-19 22:19:55,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 22:19:55,258 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 474 states [2025-03-19 22:19:55,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 22:19:55,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 474 interpolants. [2025-03-19 22:19:55,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55708, Invalid=168494, Unknown=0, NotChecked=0, Total=224202 [2025-03-19 22:19:55,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 22:19:55,272 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 22:19:55,273 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 474 states, 474 states have (on average 4.090717299578059) internal successors, (1939), 473 states have internal predecessors, (1939), 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 22:19:55,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 22:19:55,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 22:19:55,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-03-19 22:19:55,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-19 22:19:55,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-03-19 22:19:55,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2025-03-19 22:19:55,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 360 states. [2025-03-19 22:19:55,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 842 states. [2025-03-19 22:19:55,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 22:19:55,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 22:19:55,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15