./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/test-context1.wvr.c --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 42d87675 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/test-context1.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --- Real Ultimate output --- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-24 23:33:10,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 23:33:10,720 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 23:33:10,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 23:33:10,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 23:33:10,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 23:33:10,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 23:33:10,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 23:33:10,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 23:33:10,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 23:33:10,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 23:33:10,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 23:33:10,748 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 23:33:10,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 23:33:10,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 23:33:10,749 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 23:33:10,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 23:33:10,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 23:33:10,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 23:33:10,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 23:33:10,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 23:33:10,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 23:33:10,750 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 23:33:10,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 23:33:10,750 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 23:33:10,750 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 23:33:10,750 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 23:33:10,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 23:33:10,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 23:33:10,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 23:33:10,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 23:33:10,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 23:33:10,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 23:33:10,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 23:33:10,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 23:33:10,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 23:33:10,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 23:33:10,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 23:33:10,751 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 23:33:10,751 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 23:33:10,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 23:33:10,751 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 23:33:10,751 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 23:33:10,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 23:33:10,751 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 23:33:10,751 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 23:33:10,751 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 23:33:10,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-04-24 23:33:10,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 23:33:10,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 23:33:10,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 23:33:10,992 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 23:33:10,992 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 23:33:10,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/test-context1.wvr.c [2025-04-24 23:33:12,311 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cb0d99e5a/0c81810abbec48a18c35e4d4105de78c/FLAGa573b482a [2025-04-24 23:33:12,513 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 23:33:12,514 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-context1.wvr.c [2025-04-24 23:33:12,519 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cb0d99e5a/0c81810abbec48a18c35e4d4105de78c/FLAGa573b482a [2025-04-24 23:33:13,311 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cb0d99e5a/0c81810abbec48a18c35e4d4105de78c [2025-04-24 23:33:13,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 23:33:13,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 23:33:13,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 23:33:13,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 23:33:13,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 23:33:13,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a87c2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13, skipping insertion in model container [2025-04-24 23:33:13,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 23:33:13,494 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-context1.wvr.c[2459,2472] [2025-04-24 23:33:13,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 23:33:13,512 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 23:33:13,538 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-context1.wvr.c[2459,2472] [2025-04-24 23:33:13,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 23:33:13,555 INFO L204 MainTranslator]: Completed translation [2025-04-24 23:33:13,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13 WrapperNode [2025-04-24 23:33:13,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 23:33:13,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 23:33:13,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 23:33:13,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 23:33:13,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,590 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 122 [2025-04-24 23:33:13,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 23:33:13,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 23:33:13,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 23:33:13,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 23:33:13,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,602 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 23:33:13,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 23:33:13,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 23:33:13,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 23:33:13,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13" (1/1) ... [2025-04-24 23:33:13,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 23:33:13,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:13,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-24 23:33:13,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-24 23:33:13,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 23:33:13,656 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 23:33:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 23:33:13,656 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 23:33:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 23:33:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 23:33:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 23:33:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 23:33:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 23:33:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-24 23:33:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 23:33:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 23:33:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 23:33:13,658 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-24 23:33:13,728 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 23:33:13,730 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 23:33:13,878 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 23:33:13,879 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 23:33:14,006 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 23:33:14,006 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-04-24 23:33:14,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 11:33:14 BoogieIcfgContainer [2025-04-24 23:33:14,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 23:33:14,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 23:33:14,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 23:33:14,012 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 23:33:14,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 11:33:13" (1/3) ... [2025-04-24 23:33:14,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fe2500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 11:33:14, skipping insertion in model container [2025-04-24 23:33:14,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:33:13" (2/3) ... [2025-04-24 23:33:14,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fe2500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 11:33:14, skipping insertion in model container [2025-04-24 23:33:14,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 11:33:14" (3/3) ... [2025-04-24 23:33:14,016 INFO L128 eAbstractionObserver]: Analyzing ICFG test-context1.wvr.c [2025-04-24 23:33:14,025 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 23:33:14,026 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test-context1.wvr.c that has 3 procedures, 24 locations, 26 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-24 23:33:14,027 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 23:33:14,058 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-24 23:33:14,085 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 23:33:14,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 23:33:14,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:14,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-24 23:33:14,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-24 23:33:14,144 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 23:33:14,153 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 23:33:14,158 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;@1977576e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 23:33:14,158 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-24 23:33:14,199 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:14,202 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:14,202 INFO L85 PathProgramCache]: Analyzing trace with hash -234547056, now seen corresponding path program 1 times [2025-04-24 23:33:14,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:14,207 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184366520] [2025-04-24 23:33:14,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 23:33:14,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:14,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-24 23:33:14,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-24 23:33:14,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:33:14,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:14,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:14,364 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184366520] [2025-04-24 23:33:14,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184366520] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 23:33:14,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 23:33:14,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 23:33:14,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613404798] [2025-04-24 23:33:14,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 23:33:14,368 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-24 23:33:14,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:14,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-24 23:33:14,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-24 23:33:14,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:14,383 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:14,386 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:14,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:14,453 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:14,453 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 23:33:14,454 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:14,454 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:14,454 INFO L85 PathProgramCache]: Analyzing trace with hash 142843592, now seen corresponding path program 1 times [2025-04-24 23:33:14,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:14,454 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437483956] [2025-04-24 23:33:14,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 23:33:14,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:14,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-24 23:33:14,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-24 23:33:14,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:33:14,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:14,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:14,584 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437483956] [2025-04-24 23:33:14,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437483956] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 23:33:14,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 23:33:14,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 23:33:14,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109645692] [2025-04-24 23:33:14,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 23:33:14,587 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 23:33:14,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:14,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 23:33:14,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 23:33:14,588 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:14,589 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:14,589 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:14,589 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:14,589 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:14,647 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:14,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:14,649 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 23:33:14,649 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:14,649 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:14,649 INFO L85 PathProgramCache]: Analyzing trace with hash 593879905, now seen corresponding path program 1 times [2025-04-24 23:33:14,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:14,649 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100118650] [2025-04-24 23:33:14,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 23:33:14,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:14,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-04-24 23:33:14,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-04-24 23:33:14,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:33:14,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 23:33:14,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:14,876 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100118650] [2025-04-24 23:33:14,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100118650] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 23:33:14,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 23:33:14,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 23:33:14,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478513234] [2025-04-24 23:33:14,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 23:33:14,876 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-24 23:33:14,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:14,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 23:33:14,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-24 23:33:14,877 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:14,877 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:14,877 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:14,878 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:14,878 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:14,878 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:14,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:14,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:14,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:14,940 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 23:33:14,940 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:14,941 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:14,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1318288220, now seen corresponding path program 1 times [2025-04-24 23:33:14,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:14,941 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276009554] [2025-04-24 23:33:14,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 23:33:14,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:14,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-24 23:33:14,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 23:33:14,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:33:14,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:15,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:15,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:15,114 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276009554] [2025-04-24 23:33:15,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276009554] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:15,114 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147662711] [2025-04-24 23:33:15,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 23:33:15,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:15,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:15,116 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:15,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-24 23:33:15,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-24 23:33:15,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 23:33:15,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:33:15,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:15,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-24 23:33:15,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:15,325 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:15,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147662711] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:15,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:15,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-04-24 23:33:15,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430721404] [2025-04-24 23:33:15,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:15,463 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-04-24 23:33:15,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:15,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-04-24 23:33:15,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2025-04-24 23:33:15,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:15,464 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:15,465 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 13 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:15,465 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:15,465 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:15,465 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:15,465 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:15,561 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:15,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:15,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:15,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:15,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-24 23:33:15,763 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:15,763 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:15,764 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:15,764 INFO L85 PathProgramCache]: Analyzing trace with hash -465957951, now seen corresponding path program 2 times [2025-04-24 23:33:15,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:15,764 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803798556] [2025-04-24 23:33:15,764 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 23:33:15,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:15,773 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-04-24 23:33:15,801 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-04-24 23:33:15,801 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 23:33:15,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 23:33:16,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:16,073 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803798556] [2025-04-24 23:33:16,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803798556] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:16,073 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761108563] [2025-04-24 23:33:16,073 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 23:33:16,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:16,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:16,075 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:16,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-24 23:33:16,113 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-04-24 23:33:16,132 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-04-24 23:33:16,133 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 23:33:16,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:16,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-24 23:33:16,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:16,249 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 23:33:16,249 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:16,298 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-24 23:33:16,299 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2025-04-24 23:33:16,325 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 23:33:16,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761108563] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:16,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:16,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 4] total 8 [2025-04-24 23:33:16,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502819263] [2025-04-24 23:33:16,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:16,326 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-24 23:33:16,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:16,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-24 23:33:16,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-04-24 23:33:16,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:16,327 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:16,327 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:16,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:16,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:16,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:16,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:16,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:16,443 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:16,443 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:16,443 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:16,444 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:16,444 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:16,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-24 23:33:16,647 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:16,647 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:16,647 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:16,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1938485658, now seen corresponding path program 3 times [2025-04-24 23:33:16,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:16,648 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219492362] [2025-04-24 23:33:16,648 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 23:33:16,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:16,658 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 3 equivalence classes. [2025-04-24 23:33:16,684 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 29 of 35 statements. [2025-04-24 23:33:16,684 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 23:33:16,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:17,241 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 23:33:17,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:17,241 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219492362] [2025-04-24 23:33:17,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219492362] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:17,242 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242087591] [2025-04-24 23:33:17,242 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 23:33:17,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:17,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:17,244 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:17,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-24 23:33:17,286 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 3 equivalence classes. [2025-04-24 23:33:17,305 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 29 of 35 statements. [2025-04-24 23:33:17,305 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 23:33:17,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:17,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-24 23:33:17,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:17,425 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 23:33:17,425 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 15 [2025-04-24 23:33:17,507 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 23:33:17,508 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:17,606 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-24 23:33:17,606 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2025-04-24 23:33:17,686 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 23:33:17,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242087591] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:17,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:17,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2025-04-24 23:33:17,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718286635] [2025-04-24 23:33:17,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:17,689 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-04-24 23:33:17,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:17,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-04-24 23:33:17,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2025-04-24 23:33:17,690 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:17,690 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:17,690 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.35) internal successors, (67), 19 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:17,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:17,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:17,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:17,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:17,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:17,690 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:17,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:17,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:17,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:17,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:17,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:17,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:17,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-24 23:33:18,105 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:18,105 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:18,105 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:18,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1934204893, now seen corresponding path program 4 times [2025-04-24 23:33:18,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:18,106 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951335307] [2025-04-24 23:33:18,106 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 23:33:18,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:18,116 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 36 statements into 2 equivalence classes. [2025-04-24 23:33:18,126 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-04-24 23:33:18,128 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 23:33:18,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:18,230 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-24 23:33:18,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:18,230 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951335307] [2025-04-24 23:33:18,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951335307] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:18,230 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774812571] [2025-04-24 23:33:18,230 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 23:33:18,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:18,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:18,232 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:18,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-24 23:33:18,272 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 36 statements into 2 equivalence classes. [2025-04-24 23:33:18,290 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-04-24 23:33:18,290 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 23:33:18,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:18,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 23:33:18,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 23:33:18,340 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:18,363 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-24 23:33:18,363 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2025-04-24 23:33:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 23:33:18,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774812571] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:18,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:18,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 7 [2025-04-24 23:33:18,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896377538] [2025-04-24 23:33:18,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:18,394 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-24 23:33:18,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:18,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-24 23:33:18,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-04-24 23:33:18,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:18,394 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:18,394 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:18,394 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:18,394 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:18,395 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:18,395 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:18,395 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:18,395 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:18,395 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:18,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:18,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:18,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:18,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:18,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:18,482 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:18,483 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:18,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-24 23:33:18,683 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-04-24 23:33:18,683 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:18,684 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:18,684 INFO L85 PathProgramCache]: Analyzing trace with hash -776502174, now seen corresponding path program 5 times [2025-04-24 23:33:18,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:18,684 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853889189] [2025-04-24 23:33:18,684 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 23:33:18,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:18,691 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 51 statements into 5 equivalence classes. [2025-04-24 23:33:18,702 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 51 of 51 statements. [2025-04-24 23:33:18,702 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-24 23:33:18,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 42 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 23:33:18,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:18,906 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853889189] [2025-04-24 23:33:18,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853889189] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:18,906 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120006203] [2025-04-24 23:33:18,906 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 23:33:18,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:18,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:18,908 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:18,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-24 23:33:18,949 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 51 statements into 5 equivalence classes. [2025-04-24 23:33:18,974 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 51 of 51 statements. [2025-04-24 23:33:18,975 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-24 23:33:18,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:18,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 23:33:18,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 58 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 23:33:19,256 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:19,505 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 23:33:19,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120006203] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:19,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:19,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 12] total 33 [2025-04-24 23:33:19,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350634771] [2025-04-24 23:33:19,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:19,506 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-24 23:33:19,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:19,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-24 23:33:19,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=859, Unknown=0, NotChecked=0, Total=1122 [2025-04-24 23:33:19,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:19,507 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:19,508 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.5) internal successors, (119), 33 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:19,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:19,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:19,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:19,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:19,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:19,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:19,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:19,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:19,597 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:19,597 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:19,597 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:19,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:19,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:19,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:19,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:19,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:19,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-24 23:33:19,801 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:19,801 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:19,801 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:19,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1957727426, now seen corresponding path program 6 times [2025-04-24 23:33:19,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:19,801 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546882939] [2025-04-24 23:33:19,801 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 23:33:19,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:19,809 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 53 statements into 5 equivalence classes. [2025-04-24 23:33:19,840 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 53 of 53 statements. [2025-04-24 23:33:19,841 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-24 23:33:19,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:20,089 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 38 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:20,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:20,090 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546882939] [2025-04-24 23:33:20,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546882939] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:20,090 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81187835] [2025-04-24 23:33:20,090 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 23:33:20,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:20,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:20,092 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:20,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-24 23:33:20,132 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 53 statements into 5 equivalence classes. [2025-04-24 23:33:20,522 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 53 of 53 statements. [2025-04-24 23:33:20,522 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-24 23:33:20,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:20,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-04-24 23:33:20,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:20,898 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:20,898 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:21,206 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:21,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81187835] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:21,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:21,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 14] total 42 [2025-04-24 23:33:21,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947921739] [2025-04-24 23:33:21,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:21,207 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-04-24 23:33:21,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:21,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-04-24 23:33:21,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=457, Invalid=1349, Unknown=0, NotChecked=0, Total=1806 [2025-04-24 23:33:21,209 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:21,209 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:21,209 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.2325581395348837) internal successors, (139), 42 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:21,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:21,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:21,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:21,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:21,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:21,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:21,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:21,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:21,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:21,414 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:21,414 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:21,414 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:21,414 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:21,414 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:21,414 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:21,414 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:21,414 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:21,415 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:21,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-24 23:33:21,615 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-04-24 23:33:21,616 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:21,616 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:21,616 INFO L85 PathProgramCache]: Analyzing trace with hash -487108539, now seen corresponding path program 7 times [2025-04-24 23:33:21,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:21,616 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024137752] [2025-04-24 23:33:21,617 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 23:33:21,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:21,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-04-24 23:33:21,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-04-24 23:33:21,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:33:21,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:22,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:22,228 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024137752] [2025-04-24 23:33:22,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024137752] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:22,228 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630555319] [2025-04-24 23:33:22,228 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 23:33:22,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:22,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:22,230 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:22,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-24 23:33:22,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-04-24 23:33:22,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-04-24 23:33:22,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:33:22,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:22,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-04-24 23:33:22,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:22,387 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-24 23:33:22,414 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-04-24 23:33:22,441 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-04-24 23:33:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:22,657 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:27,534 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2025-04-24 23:33:27,549 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-24 23:33:27,549 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 426 treesize of output 405 [2025-04-24 23:33:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 74 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 23:33:27,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630555319] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:27,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:27,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 14] total 43 [2025-04-24 23:33:27,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619898463] [2025-04-24 23:33:27,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:27,709 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-04-24 23:33:27,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:27,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-04-24 23:33:27,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1696, Unknown=0, NotChecked=0, Total=1892 [2025-04-24 23:33:27,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:27,710 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:27,711 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.090909090909091) internal successors, (136), 43 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:27,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:27,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:27,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:27,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:27,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:27,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:27,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:27,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:27,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:27,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:28,794 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:28,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:28,796 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:28,796 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:28,796 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:28,796 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:28,796 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:28,796 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:28,796 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:28,796 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:28,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-24 23:33:28,996 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:28,997 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:28,997 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:28,997 INFO L85 PathProgramCache]: Analyzing trace with hash -2022310466, now seen corresponding path program 8 times [2025-04-24 23:33:28,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:28,997 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628303445] [2025-04-24 23:33:28,997 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 23:33:28,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:29,006 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 79 statements into 2 equivalence classes. [2025-04-24 23:33:29,019 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 79 of 79 statements. [2025-04-24 23:33:29,019 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 23:33:29,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:29,386 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 111 proven. 126 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-24 23:33:29,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:29,386 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628303445] [2025-04-24 23:33:29,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628303445] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:29,386 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384265817] [2025-04-24 23:33:29,386 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 23:33:29,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:29,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:29,388 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:29,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-24 23:33:29,437 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 79 statements into 2 equivalence classes. [2025-04-24 23:33:29,466 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 79 of 79 statements. [2025-04-24 23:33:29,466 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 23:33:29,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:29,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-24 23:33:29,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 210 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 23:33:29,817 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 174 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 23:33:30,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384265817] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:30,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:30,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 49 [2025-04-24 23:33:30,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312799578] [2025-04-24 23:33:30,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:30,173 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-04-24 23:33:30,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:30,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-04-24 23:33:30,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=571, Invalid=1879, Unknown=0, NotChecked=0, Total=2450 [2025-04-24 23:33:30,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:30,175 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:30,175 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.86) internal successors, (193), 49 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:30,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:30,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:30,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:30,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:30,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:30,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:30,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:30,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:30,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:30,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:30,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:30,418 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:30,418 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:30,418 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:30,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:30,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:30,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:30,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:30,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:30,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:30,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:30,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:33:30,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-24 23:33:30,619 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:30,620 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:30,620 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:30,620 INFO L85 PathProgramCache]: Analyzing trace with hash 511349633, now seen corresponding path program 9 times [2025-04-24 23:33:30,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:30,621 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019200105] [2025-04-24 23:33:30,621 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 23:33:30,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:30,637 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 80 statements into 9 equivalence classes. [2025-04-24 23:33:30,689 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 56 of 80 statements. [2025-04-24 23:33:30,689 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-24 23:33:30,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:31,329 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 8 proven. 184 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-24 23:33:31,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:31,329 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019200105] [2025-04-24 23:33:31,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019200105] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:31,329 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863987584] [2025-04-24 23:33:31,329 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 23:33:31,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:31,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:31,331 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:31,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-24 23:33:31,380 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 80 statements into 9 equivalence classes. [2025-04-24 23:33:31,752 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 56 of 80 statements. [2025-04-24 23:33:31,752 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-24 23:33:31,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:31,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-04-24 23:33:31,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:31,865 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-04-24 23:33:32,220 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 23:33:32,221 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 37 [2025-04-24 23:33:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 127 proven. 65 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-24 23:33:32,309 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:33,426 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 80 [2025-04-24 23:33:33,444 INFO L325 Elim1Store]: treesize reduction 15, result has 40.0 percent of original size [2025-04-24 23:33:33,444 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 126 treesize of output 99 [2025-04-24 23:33:33,718 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-24 23:33:33,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863987584] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:33,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:33,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 55 [2025-04-24 23:33:33,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996470293] [2025-04-24 23:33:33,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:33,718 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-04-24 23:33:33,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:33,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-04-24 23:33:33,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=558, Invalid=2522, Unknown=0, NotChecked=0, Total=3080 [2025-04-24 23:33:33,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:33,720 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:33,720 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 2.482142857142857) internal successors, (139), 55 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:33,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:33,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:33,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:33,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:33,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:33,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:33,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:33,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:33,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:33,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:33,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:33:33,720 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:34,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:34,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:34,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:34,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:34,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:34,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:34,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:34,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:34,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:34,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:34,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:33:34,158 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:34,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-04-24 23:33:34,358 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-04-24 23:33:34,358 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:34,358 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:34,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1745401374, now seen corresponding path program 10 times [2025-04-24 23:33:34,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:34,359 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316333518] [2025-04-24 23:33:34,359 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 23:33:34,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:34,367 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 81 statements into 2 equivalence classes. [2025-04-24 23:33:34,375 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-04-24 23:33:34,376 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 23:33:34,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 36 proven. 90 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2025-04-24 23:33:34,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:34,603 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316333518] [2025-04-24 23:33:34,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316333518] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:34,603 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504362780] [2025-04-24 23:33:34,603 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 23:33:34,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:34,605 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:34,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-24 23:33:34,657 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 81 statements into 2 equivalence classes. [2025-04-24 23:33:34,736 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-04-24 23:33:34,737 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 23:33:34,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:34,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-04-24 23:33:34,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:35,458 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 216 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:35,458 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:36,078 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 149 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:36,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504362780] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:36,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:36,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 29, 23] total 58 [2025-04-24 23:33:36,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106810153] [2025-04-24 23:33:36,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:36,082 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2025-04-24 23:33:36,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:36,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2025-04-24 23:33:36,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=744, Invalid=2678, Unknown=0, NotChecked=0, Total=3422 [2025-04-24 23:33:36,083 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:36,083 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:36,083 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 3.288135593220339) internal successors, (194), 58 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:36,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:36,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:36,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:36,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:36,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:36,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:36,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:36,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:36,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:36,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:36,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:33:36,083 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:36,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:36,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:36,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:36,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:36,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:36,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:36,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:36,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:36,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:36,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:36,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:36,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:33:36,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:36,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:33:36,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-04-24 23:33:36,700 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:36,700 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:36,700 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:36,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1751792390, now seen corresponding path program 11 times [2025-04-24 23:33:36,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:36,700 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243209308] [2025-04-24 23:33:36,700 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 23:33:36,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:36,708 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 88 statements into 10 equivalence classes. [2025-04-24 23:33:36,726 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 88 of 88 statements. [2025-04-24 23:33:36,727 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-04-24 23:33:36,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 172 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:37,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:37,173 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243209308] [2025-04-24 23:33:37,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243209308] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:37,173 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392808799] [2025-04-24 23:33:37,173 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 23:33:37,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:37,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:37,175 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:37,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-24 23:33:37,224 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 88 statements into 10 equivalence classes. [2025-04-24 23:33:37,298 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 88 of 88 statements. [2025-04-24 23:33:37,299 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-04-24 23:33:37,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:37,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-04-24 23:33:37,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 270 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:37,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:38,506 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 151 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:33:38,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392808799] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:38,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:38,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 30, 24] total 73 [2025-04-24 23:33:38,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462110061] [2025-04-24 23:33:38,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:38,507 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2025-04-24 23:33:38,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:38,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2025-04-24 23:33:38,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1165, Invalid=4237, Unknown=0, NotChecked=0, Total=5402 [2025-04-24 23:33:38,511 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:38,511 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:38,511 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 3.0) internal successors, (222), 73 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:33:38,511 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:38,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:38,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:38,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:38,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:38,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:38,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:38,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:38,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:38,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:38,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:38,662 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:33:38,662 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:38,662 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:33:38,662 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:33:38,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-24 23:33:38,862 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-04-24 23:33:38,862 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:38,863 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:38,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2010774167, now seen corresponding path program 12 times [2025-04-24 23:33:38,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:38,863 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372011545] [2025-04-24 23:33:38,863 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 23:33:38,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:38,872 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 89 statements into 10 equivalence classes. [2025-04-24 23:33:38,909 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 89 of 89 statements. [2025-04-24 23:33:38,909 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-04-24 23:33:38,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:39,209 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 1 proven. 161 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2025-04-24 23:33:39,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:39,210 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372011545] [2025-04-24 23:33:39,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372011545] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:39,210 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461264190] [2025-04-24 23:33:39,210 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 23:33:39,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:39,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:39,212 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:39,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-24 23:33:39,267 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 89 statements into 10 equivalence classes. [2025-04-24 23:33:41,216 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 89 of 89 statements. [2025-04-24 23:33:41,217 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-04-24 23:33:41,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:41,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-04-24 23:33:41,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:41,299 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-04-24 23:33:41,299 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:41,322 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-24 23:33:41,322 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 11 [2025-04-24 23:33:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-04-24 23:33:41,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461264190] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:41,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:41,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 12 [2025-04-24 23:33:41,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837549301] [2025-04-24 23:33:41,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:41,382 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-24 23:33:41,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:41,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-24 23:33:41,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2025-04-24 23:33:41,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:41,382 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:41,382 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 12 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:33:41,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:33:41,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:33:41,530 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:33:41,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-04-24 23:33:41,730 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-04-24 23:33:41,730 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:41,731 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:41,731 INFO L85 PathProgramCache]: Analyzing trace with hash -166778111, now seen corresponding path program 13 times [2025-04-24 23:33:41,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:41,731 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061623857] [2025-04-24 23:33:41,731 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 23:33:41,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:41,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-04-24 23:33:41,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-04-24 23:33:41,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:33:41,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:42,379 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 183 proven. 360 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 23:33:42,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:42,379 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061623857] [2025-04-24 23:33:42,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061623857] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:42,379 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281573104] [2025-04-24 23:33:42,379 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 23:33:42,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:42,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:42,381 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:42,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-24 23:33:42,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-04-24 23:33:42,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-04-24 23:33:42,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:33:42,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:42,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-04-24 23:33:42,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 465 proven. 66 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 23:33:43,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:43,731 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 303 proven. 228 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 23:33:43,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281573104] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:43,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:43,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 25] total 78 [2025-04-24 23:33:43,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688433159] [2025-04-24 23:33:43,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:43,734 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2025-04-24 23:33:43,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:43,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2025-04-24 23:33:43,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1237, Invalid=4925, Unknown=0, NotChecked=0, Total=6162 [2025-04-24 23:33:43,736 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:43,736 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:43,736 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 3.5063291139240507) internal successors, (277), 78 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:43,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:43,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:43,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:43,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:43,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:43,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:43,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:43,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:43,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:43,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:43,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:33:43,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:43,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:33:43,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:33:43,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:33:43,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:43,969 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:43,969 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:43,969 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:43,969 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:43,969 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:43,969 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:43,970 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:43,970 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:43,970 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:43,970 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:43,970 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:33:43,970 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:43,970 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:33:43,970 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:33:43,970 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:33:43,970 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:33:43,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-24 23:33:44,170 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-04-24 23:33:44,171 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:44,171 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:44,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1350081758, now seen corresponding path program 14 times [2025-04-24 23:33:44,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:44,171 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878033139] [2025-04-24 23:33:44,171 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 23:33:44,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:44,182 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-04-24 23:33:44,193 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 111 of 111 statements. [2025-04-24 23:33:44,194 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 23:33:44,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:44,689 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 445 proven. 114 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 23:33:44,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:44,690 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878033139] [2025-04-24 23:33:44,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878033139] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:44,690 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533281866] [2025-04-24 23:33:44,690 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 23:33:44,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:44,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:44,692 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:44,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-24 23:33:44,754 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-04-24 23:33:44,788 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 111 of 111 statements. [2025-04-24 23:33:44,789 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 23:33:44,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:44,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-04-24 23:33:44,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 473 proven. 78 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-24 23:33:45,535 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:33:46,265 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 287 proven. 264 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-24 23:33:46,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533281866] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:33:46,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:33:46,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 31, 28] total 84 [2025-04-24 23:33:46,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993442020] [2025-04-24 23:33:46,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:33:46,266 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2025-04-24 23:33:46,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:33:46,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2025-04-24 23:33:46,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1680, Invalid=5460, Unknown=0, NotChecked=0, Total=7140 [2025-04-24 23:33:46,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:46,268 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:33:46,268 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 3.376470588235294) internal successors, (287), 84 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:33:46,268 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:33:46,269 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:33:46,638 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:33:46,639 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:33:46,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-04-24 23:33:46,839 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-04-24 23:33:46,839 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:33:46,840 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:33:46,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1128097441, now seen corresponding path program 15 times [2025-04-24 23:33:46,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:33:46,840 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415055331] [2025-04-24 23:33:46,840 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 23:33:46,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:33:46,849 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 112 statements into 13 equivalence classes. [2025-04-24 23:33:46,976 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 88 of 112 statements. [2025-04-24 23:33:46,976 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-24 23:33:46,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 18 proven. 465 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-04-24 23:33:48,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:33:48,610 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415055331] [2025-04-24 23:33:48,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415055331] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:33:48,610 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580227832] [2025-04-24 23:33:48,610 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 23:33:48,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:33:48,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:33:48,612 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:33:48,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-24 23:33:48,673 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 112 statements into 13 equivalence classes. [2025-04-24 23:33:50,383 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 88 of 112 statements. [2025-04-24 23:33:50,383 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-24 23:33:50,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:33:50,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-04-24 23:33:50,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:33:50,547 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-24 23:33:50,574 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-24 23:33:50,600 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-24 23:33:50,628 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-24 23:33:50,655 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-24 23:33:50,684 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-24 23:33:50,712 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2025-04-24 23:33:51,746 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 23:33:51,746 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 73 treesize of output 48 [2025-04-24 23:33:51,861 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 325 proven. 159 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-04-24 23:33:51,861 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:34:48,358 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 351 treesize of output 341 [2025-04-24 23:34:51,439 INFO L325 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2025-04-24 23:34:51,487 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 73196279442 treesize of output 72960967774 [2025-04-24 23:34:56,807 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 56354 DAG size of output: 207 (called from [L 726] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-04-24 23:35:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 1 proven. 483 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-04-24 23:35:00,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580227832] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:35:00,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:35:00,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 32, 32] total 90 [2025-04-24 23:35:00,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278353106] [2025-04-24 23:35:00,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:35:00,557 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2025-04-24 23:35:00,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:35:00,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2025-04-24 23:35:00,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1030, Invalid=7150, Unknown=10, NotChecked=0, Total=8190 [2025-04-24 23:35:00,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:00,559 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:35:00,559 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 2.4835164835164836) internal successors, (226), 90 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:00,559 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:00,560 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:06,116 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:06,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-24 23:35:06,317 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-24 23:35:06,317 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:35:06,317 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:35:06,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1458449090, now seen corresponding path program 16 times [2025-04-24 23:35:06,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:35:06,318 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778817256] [2025-04-24 23:35:06,318 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 23:35:06,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:35:06,331 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 113 statements into 2 equivalence classes. [2025-04-24 23:35:06,347 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-04-24 23:35:06,347 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 23:35:06,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:35:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 36 proven. 336 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2025-04-24 23:35:07,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:35:07,012 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778817256] [2025-04-24 23:35:07,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778817256] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:35:07,012 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49529088] [2025-04-24 23:35:07,012 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 23:35:07,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:35:07,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:35:07,014 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:35:07,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-24 23:35:07,084 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 113 statements into 2 equivalence classes. [2025-04-24 23:35:07,169 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-04-24 23:35:07,169 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 23:35:07,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:35:07,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 59 conjuncts are in the unsatisfiable core [2025-04-24 23:35:07,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:35:11,302 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 483 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:35:11,302 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:35:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 379 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:35:14,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49529088] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:35:14,744 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:35:14,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 43, 33] total 84 [2025-04-24 23:35:14,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654330863] [2025-04-24 23:35:14,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:35:14,744 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2025-04-24 23:35:14,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:35:14,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2025-04-24 23:35:14,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1587, Invalid=5553, Unknown=0, NotChecked=0, Total=7140 [2025-04-24 23:35:14,747 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:14,747 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:35:14,747 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 3.176470588235294) internal successors, (270), 84 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:14,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:16,933 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:16,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-24 23:35:16,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-04-24 23:35:17,135 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:35:17,135 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:35:17,135 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:35:17,135 INFO L85 PathProgramCache]: Analyzing trace with hash 773799962, now seen corresponding path program 17 times [2025-04-24 23:35:17,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:35:17,135 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859772922] [2025-04-24 23:35:17,135 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 23:35:17,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:35:17,145 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 120 statements into 14 equivalence classes. [2025-04-24 23:35:17,178 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 120 of 120 statements. [2025-04-24 23:35:17,178 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-04-24 23:35:17,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:35:18,907 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 355 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:35:18,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:35:18,907 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859772922] [2025-04-24 23:35:18,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859772922] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:35:18,907 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822830857] [2025-04-24 23:35:18,907 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 23:35:18,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:35:18,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:35:18,909 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:35:18,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-24 23:35:18,976 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 120 statements into 14 equivalence classes. [2025-04-24 23:35:19,653 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 120 of 120 statements. [2025-04-24 23:35:19,653 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-04-24 23:35:19,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:35:19,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 63 conjuncts are in the unsatisfiable core [2025-04-24 23:35:19,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:35:24,619 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 562 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:35:24,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:35:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 449 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:35:28,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822830857] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:35:28,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:35:28,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 46, 35] total 112 [2025-04-24 23:35:28,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716811029] [2025-04-24 23:35:28,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:35:28,517 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2025-04-24 23:35:28,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:35:28,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2025-04-24 23:35:28,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2548, Invalid=10108, Unknown=0, NotChecked=0, Total=12656 [2025-04-24 23:35:28,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:28,520 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:35:28,521 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 3.0088495575221237) internal successors, (340), 112 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-24 23:35:28,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:29,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:29,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-24 23:35:29,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:29,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-04-24 23:35:29,396 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:35:29,397 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:35:29,397 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:35:29,397 INFO L85 PathProgramCache]: Analyzing trace with hash -711081545, now seen corresponding path program 18 times [2025-04-24 23:35:29,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:35:29,397 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811119236] [2025-04-24 23:35:29,397 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 23:35:29,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:35:29,408 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 121 statements into 14 equivalence classes. [2025-04-24 23:35:29,483 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) and asserted 121 of 121 statements. [2025-04-24 23:35:29,484 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2025-04-24 23:35:29,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:35:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 0 proven. 696 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 23:35:32,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:35:32,105 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811119236] [2025-04-24 23:35:32,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811119236] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:35:32,105 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745410399] [2025-04-24 23:35:32,105 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 23:35:32,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:35:32,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:35:32,107 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:35:32,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-24 23:35:32,180 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 121 statements into 14 equivalence classes. [2025-04-24 23:35:35,284 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) and asserted 121 of 121 statements. [2025-04-24 23:35:35,284 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2025-04-24 23:35:35,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:35:35,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 112 conjuncts are in the unsatisfiable core [2025-04-24 23:35:35,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:35:36,598 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2025-04-24 23:35:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 0 proven. 688 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-24 23:35:40,434 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:35:46,553 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2025-04-24 23:35:46,569 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-24 23:35:46,570 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 47 [2025-04-24 23:35:46,829 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 0 proven. 578 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2025-04-24 23:35:46,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745410399] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:35:46,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:35:46,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 40, 30] total 102 [2025-04-24 23:35:46,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704732302] [2025-04-24 23:35:46,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:35:46,830 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2025-04-24 23:35:46,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:35:46,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2025-04-24 23:35:46,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=663, Invalid=9843, Unknown=0, NotChecked=0, Total=10506 [2025-04-24 23:35:46,832 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:46,832 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:35:46,832 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 3.0679611650485437) internal successors, (316), 102 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:35:46,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:01,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:36:01,155 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:01,155 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-24 23:36:01,155 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:01,155 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-24 23:36:01,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-04-24 23:36:01,355 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:36:01,355 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:36:01,356 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:36:01,356 INFO L85 PathProgramCache]: Analyzing trace with hash -822905470, now seen corresponding path program 19 times [2025-04-24 23:36:01,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:36:01,356 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163582251] [2025-04-24 23:36:01,356 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 23:36:01,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:36:01,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-04-24 23:36:01,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-04-24 23:36:01,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:36:01,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:36:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 422 proven. 1081 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-24 23:36:03,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:36:03,595 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163582251] [2025-04-24 23:36:03,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163582251] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:36:03,595 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487532088] [2025-04-24 23:36:03,595 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 23:36:03,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:36:03,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:36:03,596 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:36:03,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-24 23:36:03,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-04-24 23:36:03,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-04-24 23:36:03,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:36:03,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:36:03,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-04-24 23:36:03,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:36:07,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 1335 proven. 153 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-04-24 23:36:07,546 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:36:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 1105 proven. 383 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-04-24 23:36:12,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487532088] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:36:12,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:36:12,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 38] total 114 [2025-04-24 23:36:12,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910034866] [2025-04-24 23:36:12,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:36:12,142 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2025-04-24 23:36:12,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:36:12,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2025-04-24 23:36:12,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2647, Invalid=10463, Unknown=0, NotChecked=0, Total=13110 [2025-04-24 23:36:12,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:36:12,144 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:36:12,145 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 3.5217391304347827) internal successors, (405), 114 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-24 23:36:12,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:13,997 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-24 23:36:13,998 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 23:36:14,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-04-24 23:36:14,199 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-04-24 23:36:14,199 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:36:14,199 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:36:14,199 INFO L85 PathProgramCache]: Analyzing trace with hash -515836449, now seen corresponding path program 20 times [2025-04-24 23:36:14,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:36:14,199 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114004944] [2025-04-24 23:36:14,199 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 23:36:14,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:36:14,212 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 171 statements into 2 equivalence classes. [2025-04-24 23:36:14,230 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 171 of 171 statements. [2025-04-24 23:36:14,230 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 23:36:14,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:36:16,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 893 proven. 650 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-04-24 23:36:16,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:36:16,449 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114004944] [2025-04-24 23:36:16,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114004944] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:36:16,449 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959253139] [2025-04-24 23:36:16,449 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 23:36:16,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:36:16,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:36:16,451 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:36:16,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-04-24 23:36:16,538 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 171 statements into 2 equivalence classes. [2025-04-24 23:36:16,585 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 171 of 171 statements. [2025-04-24 23:36:16,585 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 23:36:16,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:36:16,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-04-24 23:36:16,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:36:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 1362 proven. 171 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-04-24 23:36:20,823 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:36:25,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 1045 proven. 488 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-04-24 23:36:25,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959253139] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:36:25,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:36:25,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 42, 40] total 119 [2025-04-24 23:36:25,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628318237] [2025-04-24 23:36:25,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:36:25,526 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2025-04-24 23:36:25,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:36:25,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2025-04-24 23:36:25,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3248, Invalid=11032, Unknown=0, NotChecked=0, Total=14280 [2025-04-24 23:36:25,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:36:25,528 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:36:25,528 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 3.5) internal successors, (420), 119 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:36:25,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:36:25,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 23:36:25,529 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:36:27,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 23:36:27,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-24 23:36:27,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-04-24 23:36:27,558 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:36:27,559 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 23:36:27,560 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:36:27,560 INFO L85 PathProgramCache]: Analyzing trace with hash 413368610, now seen corresponding path program 21 times [2025-04-24 23:36:27,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:36:27,560 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528362594] [2025-04-24 23:36:27,560 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 23:36:27,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:36:27,574 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 172 statements into 22 equivalence classes. [2025-04-24 23:36:27,708 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 106 of 172 statements. [2025-04-24 23:36:27,708 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-04-24 23:36:27,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:36:35,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 143 proven. 989 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2025-04-24 23:36:35,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:36:35,231 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528362594] [2025-04-24 23:36:35,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528362594] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:36:35,231 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17478619] [2025-04-24 23:36:35,231 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 23:36:35,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:36:35,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:36:35,233 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:36:35,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-24 23:36:35,323 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 172 statements into 22 equivalence classes. [2025-04-24 23:36:38,921 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 106 of 172 statements. [2025-04-24 23:36:38,922 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-04-24 23:36:38,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:36:38,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 167 conjuncts are in the unsatisfiable core [2025-04-24 23:36:38,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:36:39,026 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:39,111 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:39,182 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:39,279 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:39,371 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:39,464 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:39,552 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:39,657 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:39,752 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:39,863 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:39,968 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:40,080 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:40,209 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:40,314 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:40,439 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:40,551 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:40,667 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:40,802 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:40,932 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 23:36:47,791 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 23:36:47,801 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 23:36:47,804 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 23:36:47,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 23:36:47,809 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 23:36:47,811 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 23:36:47,814 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 23:36:47,816 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 23:36:47,819 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 23:36:47,892 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 23:36:47,892 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 37 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 131 treesize of output 95 [2025-04-24 23:36:48,375 WARN L656 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-04-24 23:36:48,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 628 proven. 540 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2025-04-24 23:36:48,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:37:27,209 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1666 treesize of output 1646