./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NONE --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NONE --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 11:50:59,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 11:50:59,376 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 11:50:59,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 11:50:59,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 11:50:59,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 11:50:59,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 11:50:59,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 11:50:59,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 11:50:59,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 11:50:59,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 11:50:59,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 11:50:59,400 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 11:50:59,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 11:50:59,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 11:50:59,401 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 11:50:59,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 11:50:59,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 11:50:59,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 11:50:59,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 11:50:59,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 11:50:59,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 11:50:59,402 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 11:50:59,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 11:50:59,402 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 11:50:59,402 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 11:50:59,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 11:50:59,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 11:50:59,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 11:50:59,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 11:50:59,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 11:50:59,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 11:50:59,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 11:50:59,403 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 11:50:59,403 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 11:50:59,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 11:50:59,403 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 11:50:59,403 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 11:50:59,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 11:50:59,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 11:50:59,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 11:50:59,404 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 11:50:59,404 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 11:50:59,404 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-jdk21/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 -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-01-23 11:50:59,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 11:50:59,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 11:50:59,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 11:50:59,633 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 11:50:59,633 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 11:50:59,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2025-01-23 11:51:00,721 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/c4c7dcb67/5e5eb9e6c55549ada2f8c80ca16e32b5/FLAGcab8b6ed7 [2025-01-23 11:51:00,869 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 11:51:00,869 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2025-01-23 11:51:00,874 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/c4c7dcb67/5e5eb9e6c55549ada2f8c80ca16e32b5/FLAGcab8b6ed7 [2025-01-23 11:51:00,883 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/c4c7dcb67/5e5eb9e6c55549ada2f8c80ca16e32b5 [2025-01-23 11:51:00,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 11:51:00,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 11:51:00,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 11:51:00,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 11:51:00,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 11:51:00,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 11:51:00" (1/1) ... [2025-01-23 11:51:00,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c3e2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:00, skipping insertion in model container [2025-01-23 11:51:00,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 11:51:00" (1/1) ... [2025-01-23 11:51:00,900 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 11:51:01,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c[4345,4358] [2025-01-23 11:51:01,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 11:51:01,033 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 11:51:01,092 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c[4345,4358] [2025-01-23 11:51:01,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 11:51:01,121 INFO L204 MainTranslator]: Completed translation [2025-01-23 11:51:01,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01 WrapperNode [2025-01-23 11:51:01,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 11:51:01,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 11:51:01,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 11:51:01,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 11:51:01,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01" (1/1) ... [2025-01-23 11:51:01,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01" (1/1) ... [2025-01-23 11:51:01,161 INFO L138 Inliner]: procedures = 25, calls = 59, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 293 [2025-01-23 11:51:01,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 11:51:01,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 11:51:01,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 11:51:01,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 11:51:01,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01" (1/1) ... [2025-01-23 11:51:01,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01" (1/1) ... [2025-01-23 11:51:01,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01" (1/1) ... [2025-01-23 11:51:01,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01" (1/1) ... [2025-01-23 11:51:01,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01" (1/1) ... [2025-01-23 11:51:01,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01" (1/1) ... [2025-01-23 11:51:01,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01" (1/1) ... [2025-01-23 11:51:01,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01" (1/1) ... [2025-01-23 11:51:01,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01" (1/1) ... [2025-01-23 11:51:01,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 11:51:01,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 11:51:01,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 11:51:01,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 11:51:01,185 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01" (1/1) ... [2025-01-23 11:51:01,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 11:51:01,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:01,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-23 11:51:01,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-23 11:51:01,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 11:51:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 11:51:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 11:51:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 11:51:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 11:51:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-23 11:51:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-23 11:51:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-23 11:51:01,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-23 11:51:01,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 11:51:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-23 11:51:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 11:51:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 11:51:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-23 11:51:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 11:51:01,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 11:51:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-23 11:51:01,241 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 11:51:01,337 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 11:51:01,339 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 11:51:01,687 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 11:51:01,687 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 11:51:01,917 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 11:51:01,918 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-23 11:51:01,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 11:51:01 BoogieIcfgContainer [2025-01-23 11:51:01,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 11:51:01,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 11:51:01,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 11:51:01,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 11:51:01,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 11:51:00" (1/3) ... [2025-01-23 11:51:01,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b69b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 11:51:01, skipping insertion in model container [2025-01-23 11:51:01,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 11:51:01" (2/3) ... [2025-01-23 11:51:01,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b69b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 11:51:01, skipping insertion in model container [2025-01-23 11:51:01,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 11:51:01" (3/3) ... [2025-01-23 11:51:01,928 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2025-01-23 11:51:01,938 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 11:51:01,940 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-buffer-mult-alt.wvr.c that has 5 procedures, 45 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-01-23 11:51:01,940 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 11:51:01,992 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-01-23 11:51:02,021 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 11:51:02,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 11:51:02,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:02,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-23 11:51:02,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-23 11:51:02,093 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 11:51:02,100 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 11:51:02,106 INFO L333 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;@4930959b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 11:51:02,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-01-23 11:51:03,169 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:03,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:03,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1008749985, now seen corresponding path program 1 times [2025-01-23 11:51:03,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:03,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653330629] [2025-01-23 11:51:03,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 11:51:03,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:03,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-01-23 11:51:03,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-01-23 11:51:03,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:51:03,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:04,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 11:51:04,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:04,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653330629] [2025-01-23 11:51:04,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653330629] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 11:51:04,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 11:51:04,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 11:51:04,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882692715] [2025-01-23 11:51:04,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 11:51:04,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 11:51:04,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:04,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 11:51:04,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-23 11:51:04,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:04,113 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:04,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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) [2025-01-23 11:51:04,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:04,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 11:51:04,233 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:04,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:04,233 INFO L85 PathProgramCache]: Analyzing trace with hash -416954472, now seen corresponding path program 1 times [2025-01-23 11:51:04,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:04,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690865605] [2025-01-23 11:51:04,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 11:51:04,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:04,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-01-23 11:51:04,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-01-23 11:51:04,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:51:04,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:04,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 11:51:04,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:04,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690865605] [2025-01-23 11:51:04,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690865605] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 11:51:04,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 11:51:04,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-23 11:51:04,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912628207] [2025-01-23 11:51:04,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 11:51:04,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 11:51:04,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:04,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 11:51:04,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-23 11:51:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:04,697 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:04,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2025-01-23 11:51:04,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:04,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:04,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:04,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:04,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-23 11:51:04,805 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:04,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:04,806 INFO L85 PathProgramCache]: Analyzing trace with hash -648820825, now seen corresponding path program 1 times [2025-01-23 11:51:04,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:04,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746695523] [2025-01-23 11:51:04,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 11:51:04,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:04,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-23 11:51:04,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-23 11:51:04,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:51:04,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 11:51:05,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:05,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746695523] [2025-01-23 11:51:05,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746695523] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:51:05,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553241716] [2025-01-23 11:51:05,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 11:51:05,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:05,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:05,304 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:51:05,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-23 11:51:05,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-23 11:51:05,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-23 11:51:05,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:51:05,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:05,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-23 11:51:05,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:51:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 11:51:05,602 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:51:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 11:51:05,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553241716] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:51:05,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:51:05,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2025-01-23 11:51:05,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613277810] [2025-01-23 11:51:05,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:51:05,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-23 11:51:05,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:05,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-23 11:51:05,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-01-23 11:51:05,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:05,723 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:05,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 13 states have internal predecessors, (131), 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) [2025-01-23 11:51:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:05,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:05,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-23 11:51:06,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:06,084 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:06,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:06,084 INFO L85 PathProgramCache]: Analyzing trace with hash 92634527, now seen corresponding path program 2 times [2025-01-23 11:51:06,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:06,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466228144] [2025-01-23 11:51:06,085 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 11:51:06,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:06,104 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 144 statements into 2 equivalence classes. [2025-01-23 11:51:06,137 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 140 of 144 statements. [2025-01-23 11:51:06,137 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 11:51:06,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:07,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-23 11:51:07,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:07,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466228144] [2025-01-23 11:51:07,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466228144] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 11:51:07,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 11:51:07,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2025-01-23 11:51:07,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878480628] [2025-01-23 11:51:07,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 11:51:07,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-23 11:51:07,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:07,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-23 11:51:07,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2025-01-23 11:51:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:07,043 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:07,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.142857142857142) internal successors, (114), 14 states have internal predecessors, (114), 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) [2025-01-23 11:51:07,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:07,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:07,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:07,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:07,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:51:07,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-23 11:51:07,295 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:07,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:07,296 INFO L85 PathProgramCache]: Analyzing trace with hash 293683225, now seen corresponding path program 3 times [2025-01-23 11:51:07,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:07,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419895149] [2025-01-23 11:51:07,296 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 11:51:07,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:07,320 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 116 statements into 4 equivalence classes. [2025-01-23 11:51:07,350 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 62 of 116 statements. [2025-01-23 11:51:07,350 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-23 11:51:07,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:07,600 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-23 11:51:07,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:07,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419895149] [2025-01-23 11:51:07,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419895149] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 11:51:07,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 11:51:07,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-23 11:51:07,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907357176] [2025-01-23 11:51:07,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 11:51:07,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-23 11:51:07,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:07,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-23 11:51:07,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-23 11:51:07,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:07,601 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:07,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2025-01-23 11:51:07,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:07,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:07,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:07,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:51:07,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:08,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:51:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:08,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-23 11:51:08,199 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:08,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:08,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1596632750, now seen corresponding path program 4 times [2025-01-23 11:51:08,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:08,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196533239] [2025-01-23 11:51:08,200 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 11:51:08,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:08,223 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 134 statements into 2 equivalence classes. [2025-01-23 11:51:08,277 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-01-23 11:51:08,277 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 11:51:08,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:08,915 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 39 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-23 11:51:08,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:08,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196533239] [2025-01-23 11:51:08,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196533239] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:51:08,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264963060] [2025-01-23 11:51:08,915 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 11:51:08,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:08,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:08,917 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:51:08,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-23 11:51:09,005 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 134 statements into 2 equivalence classes. [2025-01-23 11:51:09,069 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-01-23 11:51:09,069 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 11:51:09,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:09,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-23 11:51:09,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:51:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-23 11:51:09,922 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:51:10,484 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-23 11:51:10,484 INFO L378 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 20 treesize of output 4 [2025-01-23 11:51:10,584 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-23 11:51:10,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264963060] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:51:10,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:51:10,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 10] total 34 [2025-01-23 11:51:10,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375991069] [2025-01-23 11:51:10,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:51:10,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-01-23 11:51:10,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:10,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-01-23 11:51:10,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=908, Unknown=0, NotChecked=0, Total=1190 [2025-01-23 11:51:10,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:10,586 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:10,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 8.942857142857143) internal successors, (313), 34 states have internal predecessors, (313), 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) [2025-01-23 11:51:10,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:10,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:10,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:10,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:51:10,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:10,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:51:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:10,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-23 11:51:11,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:11,017 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:11,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:11,018 INFO L85 PathProgramCache]: Analyzing trace with hash 794757010, now seen corresponding path program 5 times [2025-01-23 11:51:11,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:11,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016597423] [2025-01-23 11:51:11,018 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 11:51:11,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:11,040 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 138 statements into 4 equivalence classes. [2025-01-23 11:51:11,195 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 138 of 138 statements. [2025-01-23 11:51:11,196 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-01-23 11:51:11,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:11,725 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 26 proven. 51 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-23 11:51:11,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:11,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016597423] [2025-01-23 11:51:11,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016597423] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:51:11,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702455770] [2025-01-23 11:51:11,726 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 11:51:11,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:11,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:11,728 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:51:11,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-23 11:51:11,811 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 138 statements into 4 equivalence classes. [2025-01-23 11:51:11,883 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 138 of 138 statements. [2025-01-23 11:51:11,883 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-01-23 11:51:11,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:11,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-23 11:51:11,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:51:12,054 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-23 11:51:12,054 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:51:12,245 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-23 11:51:12,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702455770] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:51:12,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:51:12,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 9] total 30 [2025-01-23 11:51:12,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164944194] [2025-01-23 11:51:12,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:51:12,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-01-23 11:51:12,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:12,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-01-23 11:51:12,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=747, Unknown=0, NotChecked=0, Total=870 [2025-01-23 11:51:12,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:12,246 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:12,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.333333333333333) internal successors, (220), 30 states have internal predecessors, (220), 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) [2025-01-23 11:51:12,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:12,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:12,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:12,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:51:12,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:12,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:12,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:51:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:12,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-23 11:51:12,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:12,712 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:12,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:12,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1733758170, now seen corresponding path program 6 times [2025-01-23 11:51:12,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:12,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348882317] [2025-01-23 11:51:12,713 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 11:51:12,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:12,729 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 140 statements into 5 equivalence classes. [2025-01-23 11:51:12,784 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 85 of 140 statements. [2025-01-23 11:51:12,785 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-23 11:51:12,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:13,064 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-01-23 11:51:13,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:13,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348882317] [2025-01-23 11:51:13,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348882317] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 11:51:13,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 11:51:13,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-23 11:51:13,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864009360] [2025-01-23 11:51:13,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 11:51:13,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-23 11:51:13,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:13,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-23 11:51:13,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-23 11:51:13,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:13,066 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:13,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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) [2025-01-23 11:51:13,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:13,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:13,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:13,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 11:51:13,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:13,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:13,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:13,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:15,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-23 11:51:15,417 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:15,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:15,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1638949263, now seen corresponding path program 7 times [2025-01-23 11:51:15,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:15,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252449705] [2025-01-23 11:51:15,418 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 11:51:15,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:15,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes. [2025-01-23 11:51:15,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements. [2025-01-23 11:51:15,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:51:15,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:16,491 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 161 proven. 469 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2025-01-23 11:51:16,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:16,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252449705] [2025-01-23 11:51:16,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252449705] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:51:16,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383498450] [2025-01-23 11:51:16,492 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 11:51:16,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:16,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:16,495 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:51:16,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-23 11:51:16,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes. [2025-01-23 11:51:16,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements. [2025-01-23 11:51:16,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:51:16,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:16,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-23 11:51:16,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:51:16,959 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 379 proven. 6 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2025-01-23 11:51:16,959 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:51:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 345 proven. 40 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2025-01-23 11:51:17,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383498450] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:51:17,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:51:17,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 10] total 33 [2025-01-23 11:51:17,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400491196] [2025-01-23 11:51:17,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:51:17,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-01-23 11:51:17,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:17,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-01-23 11:51:17,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=893, Unknown=0, NotChecked=0, Total=1056 [2025-01-23 11:51:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:17,180 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:17,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 8.0) internal successors, (264), 33 states have internal predecessors, (264), 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) [2025-01-23 11:51:17,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:17,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:17,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:17,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:17,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:17,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:17,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:17,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:17,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:17,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:17,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-23 11:51:17,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:17,632 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:17,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:17,633 INFO L85 PathProgramCache]: Analyzing trace with hash -413783447, now seen corresponding path program 8 times [2025-01-23 11:51:17,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:17,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314660827] [2025-01-23 11:51:17,633 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 11:51:17,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:17,663 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 292 statements into 2 equivalence classes. [2025-01-23 11:51:17,751 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 292 of 292 statements. [2025-01-23 11:51:17,751 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 11:51:17,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 201 proven. 496 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2025-01-23 11:51:18,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:18,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314660827] [2025-01-23 11:51:18,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314660827] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:51:18,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703523334] [2025-01-23 11:51:18,689 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 11:51:18,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:18,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:18,691 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:51:18,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-23 11:51:18,822 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 292 statements into 2 equivalence classes. [2025-01-23 11:51:18,931 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 292 of 292 statements. [2025-01-23 11:51:18,931 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 11:51:18,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:18,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-23 11:51:18,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:51:19,237 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 457 proven. 10 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2025-01-23 11:51:19,237 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:51:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 415 proven. 52 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2025-01-23 11:51:19,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703523334] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:51:19,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:51:19,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12, 12] total 39 [2025-01-23 11:51:19,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494673307] [2025-01-23 11:51:19,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:51:19,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-01-23 11:51:19,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:19,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-01-23 11:51:19,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1260, Unknown=0, NotChecked=0, Total=1482 [2025-01-23 11:51:19,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:19,520 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:19,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 7.769230769230769) internal successors, (303), 39 states have internal predecessors, (303), 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) [2025-01-23 11:51:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:19,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-23 11:51:20,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-23 11:51:20,117 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:20,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:20,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1734414257, now seen corresponding path program 9 times [2025-01-23 11:51:20,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:20,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291283358] [2025-01-23 11:51:20,118 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 11:51:20,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:20,147 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 294 statements into 11 equivalence classes. [2025-01-23 11:51:20,294 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 137 of 294 statements. [2025-01-23 11:51:20,295 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-23 11:51:20,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 40 proven. 368 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2025-01-23 11:51:20,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:20,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291283358] [2025-01-23 11:51:20,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291283358] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:51:20,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740009710] [2025-01-23 11:51:20,605 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 11:51:20,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:20,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:20,606 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:51:20,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-23 11:51:20,737 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 294 statements into 11 equivalence classes. [2025-01-23 11:51:20,907 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 137 of 294 statements. [2025-01-23 11:51:20,907 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-23 11:51:20,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:20,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-23 11:51:20,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:51:21,291 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 381 proven. 19 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2025-01-23 11:51:21,291 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:51:21,667 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 14 proven. 386 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2025-01-23 11:51:21,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740009710] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:51:21,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:51:21,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2025-01-23 11:51:21,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336414150] [2025-01-23 11:51:21,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:51:21,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-01-23 11:51:21,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:21,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-01-23 11:51:21,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=988, Unknown=0, NotChecked=0, Total=1260 [2025-01-23 11:51:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:21,669 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:21,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 6.527777777777778) internal successors, (235), 36 states have internal predecessors, (235), 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) [2025-01-23 11:51:21,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:21,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:21,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:21,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:21,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:21,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:21,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:21,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:21,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:21,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:21,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:21,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-23 11:51:22,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:22,042 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:22,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:22,043 INFO L85 PathProgramCache]: Analyzing trace with hash 796472962, now seen corresponding path program 10 times [2025-01-23 11:51:22,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:22,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366010638] [2025-01-23 11:51:22,043 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 11:51:22,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:22,069 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 295 statements into 2 equivalence classes. [2025-01-23 11:51:22,172 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 295 of 295 statements. [2025-01-23 11:51:22,173 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 11:51:22,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:23,624 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 781 proven. 129 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-01-23 11:51:23,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:23,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366010638] [2025-01-23 11:51:23,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366010638] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:51:23,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496434185] [2025-01-23 11:51:23,625 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 11:51:23,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:23,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:23,626 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:51:23,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-23 11:51:23,764 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 295 statements into 2 equivalence classes. [2025-01-23 11:51:23,866 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 295 of 295 statements. [2025-01-23 11:51:23,866 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 11:51:23,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:23,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-23 11:51:23,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:51:24,758 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 729 proven. 102 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-23 11:51:24,758 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:51:24,764 INFO L378 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 12 treesize of output 4 [2025-01-23 11:51:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 725 proven. 106 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-23 11:51:25,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496434185] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:51:25,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:51:25,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 25, 25] total 77 [2025-01-23 11:51:25,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940440486] [2025-01-23 11:51:25,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:51:25,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2025-01-23 11:51:25,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:25,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2025-01-23 11:51:25,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1266, Invalid=4740, Unknown=0, NotChecked=0, Total=6006 [2025-01-23 11:51:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:25,595 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:25,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 7.410256410256411) internal successors, (578), 77 states have internal predecessors, (578), 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) [2025-01-23 11:51:25,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:25,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:25,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:25,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:25,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:25,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:25,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:25,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:25,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:25,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:25,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:25,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:51:25,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-23 11:51:25,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:25,998 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:25,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:25,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1878781129, now seen corresponding path program 11 times [2025-01-23 11:51:25,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:25,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299039757] [2025-01-23 11:51:25,999 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 11:51:25,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:26,031 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 298 statements into 11 equivalence classes. [2025-01-23 11:51:26,552 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 298 of 298 statements. [2025-01-23 11:51:26,552 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-01-23 11:51:26,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:27,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 884 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-23 11:51:27,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:27,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299039757] [2025-01-23 11:51:27,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299039757] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 11:51:27,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 11:51:27,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-01-23 11:51:27,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459092624] [2025-01-23 11:51:27,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 11:51:27,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-23 11:51:27,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:27,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-23 11:51:27,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-01-23 11:51:27,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:27,729 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:27,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.666666666666666) internal successors, (164), 12 states have internal predecessors, (164), 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) [2025-01-23 11:51:27,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:27,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:27,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:27,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:27,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:27,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:27,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:27,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:27,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:27,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:27,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:27,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:51:27,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:51:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:29,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-23 11:51:29,054 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:29,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:29,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1958663386, now seen corresponding path program 12 times [2025-01-23 11:51:29,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:29,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497694393] [2025-01-23 11:51:29,054 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 11:51:29,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:29,073 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 196 statements into 7 equivalence classes. [2025-01-23 11:51:29,099 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 75 of 196 statements. [2025-01-23 11:51:29,099 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-23 11:51:29,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:29,273 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2025-01-23 11:51:29,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:29,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497694393] [2025-01-23 11:51:29,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497694393] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 11:51:29,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 11:51:29,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-23 11:51:29,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789366493] [2025-01-23 11:51:29,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 11:51:29,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-23 11:51:29,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:29,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-23 11:51:29,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-23 11:51:29,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:29,274 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:29,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 11:51:29,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:29,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:29,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:29,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:29,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:29,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:29,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:29,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:29,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:29,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:29,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:29,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:51:29,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:29,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:51:29,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:29,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:29,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-23 11:51:29,559 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:29,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:29,559 INFO L85 PathProgramCache]: Analyzing trace with hash -58450147, now seen corresponding path program 13 times [2025-01-23 11:51:29,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:29,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166195580] [2025-01-23 11:51:29,560 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 11:51:29,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:29,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-01-23 11:51:29,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-01-23 11:51:29,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:51:29,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 111 proven. 62 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-01-23 11:51:30,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:30,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166195580] [2025-01-23 11:51:30,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166195580] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:51:30,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557752358] [2025-01-23 11:51:30,077 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 11:51:30,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:30,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:30,079 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:51:30,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-23 11:51:30,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-01-23 11:51:30,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-01-23 11:51:30,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:51:30,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:30,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-23 11:51:30,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:51:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 152 proven. 21 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-01-23 11:51:30,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:51:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 69 proven. 104 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-01-23 11:51:31,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557752358] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:51:31,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:51:31,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 42 [2025-01-23 11:51:31,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024232184] [2025-01-23 11:51:31,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:51:31,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-01-23 11:51:31,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:31,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-01-23 11:51:31,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2025-01-23 11:51:31,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:31,153 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:31,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 7.238095238095238) internal successors, (304), 42 states have internal predecessors, (304), 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) [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:31,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:31,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:31,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:31,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:31,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:31,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:51:31,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:31,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:31,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:31,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-23 11:51:31,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:31,589 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:31,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:31,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1633853442, now seen corresponding path program 14 times [2025-01-23 11:51:31,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:31,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003293252] [2025-01-23 11:51:31,590 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 11:51:31,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:31,613 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 193 statements into 2 equivalence classes. [2025-01-23 11:51:31,665 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 193 of 193 statements. [2025-01-23 11:51:31,665 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 11:51:31,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 50 proven. 131 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-01-23 11:51:32,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:32,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003293252] [2025-01-23 11:51:32,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003293252] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:51:32,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144198587] [2025-01-23 11:51:32,401 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 11:51:32,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:32,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:32,402 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:51:32,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-23 11:51:32,552 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 193 statements into 2 equivalence classes. [2025-01-23 11:51:32,618 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 193 of 193 statements. [2025-01-23 11:51:32,619 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 11:51:32,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:32,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-23 11:51:32,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:51:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 152 proven. 28 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-01-23 11:51:33,064 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:51:33,546 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 76 proven. 104 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-01-23 11:51:33,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144198587] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:51:33,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:51:33,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 52 [2025-01-23 11:51:33,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727360661] [2025-01-23 11:51:33,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:51:33,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-01-23 11:51:33,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:33,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-01-23 11:51:33,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=2114, Unknown=0, NotChecked=0, Total=2652 [2025-01-23 11:51:33,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:33,548 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:33,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 7.538461538461538) internal successors, (392), 52 states have internal predecessors, (392), 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) [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:33,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:51:33,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-23 11:51:33,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-23 11:51:33,940 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:33,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:33,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1065826338, now seen corresponding path program 15 times [2025-01-23 11:51:33,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:33,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312010408] [2025-01-23 11:51:33,941 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 11:51:33,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:33,961 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 195 statements into 7 equivalence classes. [2025-01-23 11:51:33,990 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 105 of 195 statements. [2025-01-23 11:51:33,990 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-23 11:51:33,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 97 proven. 12 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-23 11:51:34,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:34,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312010408] [2025-01-23 11:51:34,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312010408] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:51:34,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420911660] [2025-01-23 11:51:34,159 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 11:51:34,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:34,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:34,162 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:51:34,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-23 11:51:34,352 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 195 statements into 7 equivalence classes. [2025-01-23 11:51:34,402 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 105 of 195 statements. [2025-01-23 11:51:34,402 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-23 11:51:34,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:34,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-23 11:51:34,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:51:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 59 proven. 52 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2025-01-23 11:51:34,643 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:51:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 97 proven. 12 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-23 11:51:34,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420911660] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:51:34,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:51:34,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 6] total 16 [2025-01-23 11:51:34,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468719930] [2025-01-23 11:51:34,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:51:34,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-23 11:51:34,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:34,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-23 11:51:34,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2025-01-23 11:51:34,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:34,712 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:34,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.375) internal successors, (182), 16 states have internal predecessors, (182), 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) [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:34,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:34,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:51:34,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:51:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:51:37,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-23 11:51:37,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-23 11:51:37,369 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:37,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:37,369 INFO L85 PathProgramCache]: Analyzing trace with hash -604333326, now seen corresponding path program 16 times [2025-01-23 11:51:37,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:37,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495589424] [2025-01-23 11:51:37,369 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 11:51:37,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:37,407 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 389 statements into 2 equivalence classes. [2025-01-23 11:51:37,548 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 389 of 389 statements. [2025-01-23 11:51:37,548 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 11:51:37,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:38,613 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 429 proven. 134 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2025-01-23 11:51:38,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:38,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495589424] [2025-01-23 11:51:38,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495589424] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:51:38,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948854024] [2025-01-23 11:51:38,613 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 11:51:38,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:38,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:38,615 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:51:38,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-23 11:51:38,837 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 389 statements into 2 equivalence classes. [2025-01-23 11:51:38,998 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 389 of 389 statements. [2025-01-23 11:51:38,999 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 11:51:38,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:39,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 1607 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-01-23 11:51:39,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:51:40,390 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 634 proven. 152 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-01-23 11:51:40,390 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:51:40,397 INFO L378 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 12 treesize of output 4 [2025-01-23 11:51:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 680 proven. 106 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-01-23 11:51:41,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948854024] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:51:41,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:51:41,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 37, 37] total 78 [2025-01-23 11:51:41,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055323641] [2025-01-23 11:51:41,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:51:41,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2025-01-23 11:51:41,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:51:41,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2025-01-23 11:51:41,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1613, Invalid=4393, Unknown=0, NotChecked=0, Total=6006 [2025-01-23 11:51:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:41,558 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:51:41,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 8.076923076923077) internal successors, (630), 78 states have internal predecessors, (630), 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) [2025-01-23 11:51:41,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:41,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:41,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:41,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:41,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:41,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:41,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:41,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:41,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:41,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:41,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:41,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:51:41,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:41,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:41,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:41,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:51:41,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:51:41,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:51:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:51:42,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 11:51:42,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-23 11:51:42,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-23 11:51:42,758 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:51:42,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:51:42,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1557669229, now seen corresponding path program 17 times [2025-01-23 11:51:42,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:51:42,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135052569] [2025-01-23 11:51:42,759 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 11:51:42,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:51:42,800 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 442 statements into 12 equivalence classes. [2025-01-23 11:51:43,548 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) and asserted 442 of 442 statements. [2025-01-23 11:51:43,548 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2025-01-23 11:51:43,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:51:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 827 proven. 308 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-01-23 11:51:45,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:51:45,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135052569] [2025-01-23 11:51:45,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135052569] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:51:45,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46889185] [2025-01-23 11:51:45,757 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 11:51:45,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:51:45,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:51:45,759 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:51:45,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-23 11:51:45,978 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 442 statements into 12 equivalence classes. [2025-01-23 11:53:28,279 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) and asserted 442 of 442 statements. [2025-01-23 11:53:28,280 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2025-01-23 11:53:28,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:53:28,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-01-23 11:53:28,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:53:29,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 949 proven. 341 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-01-23 11:53:29,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:53:31,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 856 proven. 434 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-01-23 11:53:31,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46889185] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:53:31,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:53:31,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 45, 45] total 126 [2025-01-23 11:53:31,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312565787] [2025-01-23 11:53:31,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:53:31,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2025-01-23 11:53:31,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:53:31,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2025-01-23 11:53:31,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2323, Invalid=13427, Unknown=0, NotChecked=0, Total=15750 [2025-01-23 11:53:31,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:53:31,924 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:53:31,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 7.198412698412699) internal successors, (907), 126 states have internal predecessors, (907), 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) [2025-01-23 11:53:31,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:31,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:31,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:53:31,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:53:31,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:31,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:31,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:53:31,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:31,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:53:31,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:53:31,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:31,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:53:31,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:31,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:31,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:31,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:53:31,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:53:31,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-23 11:53:31,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:53:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 11:53:32,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 11:53:32,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-23 11:53:32,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:53:32,832 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:53:32,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:53:32,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1326405771, now seen corresponding path program 18 times [2025-01-23 11:53:32,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:53:32,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452667613] [2025-01-23 11:53:32,832 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 11:53:32,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:53:32,871 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 444 statements into 12 equivalence classes. [2025-01-23 11:53:32,914 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 137 of 444 statements. [2025-01-23 11:53:32,914 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-23 11:53:32,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:53:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1402 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 1285 trivial. 0 not checked. [2025-01-23 11:53:33,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:53:33,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452667613] [2025-01-23 11:53:33,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452667613] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 11:53:33,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 11:53:33,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-23 11:53:33,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347603913] [2025-01-23 11:53:33,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 11:53:33,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-23 11:53:33,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:53:33,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-23 11:53:33,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-23 11:53:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:53:33,151 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:53:33,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 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) [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 11:53:33,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 11:53:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 11:53:33,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:53:33,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-01-23 11:53:33,876 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:53:33,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:53:33,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1451541081, now seen corresponding path program 19 times [2025-01-23 11:53:33,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:53:33,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807816272] [2025-01-23 11:53:33,876 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 11:53:33,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:53:33,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-01-23 11:53:34,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-01-23 11:53:34,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:53:34,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:53:36,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 494 proven. 495 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-01-23 11:53:36,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:53:36,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807816272] [2025-01-23 11:53:36,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807816272] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:53:36,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399958751] [2025-01-23 11:53:36,125 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 11:53:36,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:53:36,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:53:36,126 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:53:36,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-23 11:53:36,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-01-23 11:53:36,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-01-23 11:53:36,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 11:53:36,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:53:36,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-23 11:53:36,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:53:37,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 695 proven. 55 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2025-01-23 11:53:37,382 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:53:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 512 proven. 238 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2025-01-23 11:53:38,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399958751] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:53:38,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:53:38,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 24, 24] total 91 [2025-01-23 11:53:38,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491174940] [2025-01-23 11:53:38,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:53:38,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2025-01-23 11:53:38,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:53:38,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2025-01-23 11:53:38,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1106, Invalid=7084, Unknown=0, NotChecked=0, Total=8190 [2025-01-23 11:53:38,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:53:38,235 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:53:38,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 6.725274725274725) internal successors, (612), 91 states have internal predecessors, (612), 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) [2025-01-23 11:53:38,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:53:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:53:39,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:39,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:39,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:53:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 11:53:39,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-23 11:53:39,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-01-23 11:53:39,214 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:53:39,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:53:39,214 INFO L85 PathProgramCache]: Analyzing trace with hash -293932817, now seen corresponding path program 20 times [2025-01-23 11:53:39,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:53:39,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314257793] [2025-01-23 11:53:39,214 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 11:53:39,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:53:39,264 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 382 statements into 2 equivalence classes. [2025-01-23 11:53:39,400 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 382 of 382 statements. [2025-01-23 11:53:39,400 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 11:53:39,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:53:40,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 134 proven. 488 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2025-01-23 11:53:40,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:53:40,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314257793] [2025-01-23 11:53:40,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314257793] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:53:40,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360043901] [2025-01-23 11:53:40,933 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 11:53:40,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:53:40,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:53:40,935 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:53:40,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-23 11:53:41,174 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 382 statements into 2 equivalence classes. [2025-01-23 11:53:41,302 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 382 of 382 statements. [2025-01-23 11:53:41,302 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 11:53:41,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:53:41,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 1648 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-23 11:53:41,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:53:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 695 proven. 66 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2025-01-23 11:53:42,109 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:53:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 609 proven. 152 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2025-01-23 11:53:42,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360043901] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:53:42,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:53:42,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 72 [2025-01-23 11:53:42,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528705340] [2025-01-23 11:53:42,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:53:42,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-01-23 11:53:42,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:53:42,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-01-23 11:53:42,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1039, Invalid=4073, Unknown=0, NotChecked=0, Total=5112 [2025-01-23 11:53:42,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:53:42,911 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:53:42,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 6.583333333333333) internal successors, (474), 72 states have internal predecessors, (474), 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) [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 11:53:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:53:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 11:53:43,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:53:43,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-23 11:53:43,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:53:43,731 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:53:43,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:53:43,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1322694976, now seen corresponding path program 21 times [2025-01-23 11:53:43,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:53:43,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335023865] [2025-01-23 11:53:43,732 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 11:53:43,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:53:43,770 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 383 statements into 13 equivalence classes. [2025-01-23 11:53:43,798 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 143 of 383 statements. [2025-01-23 11:53:43,799 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-23 11:53:43,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:53:44,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2025-01-23 11:53:44,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:53:44,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335023865] [2025-01-23 11:53:44,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335023865] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:53:44,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947966861] [2025-01-23 11:53:44,016 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 11:53:44,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:53:44,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:53:44,017 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:53:44,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-23 11:53:44,273 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 383 statements into 13 equivalence classes. [2025-01-23 11:53:44,328 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 143 of 383 statements. [2025-01-23 11:53:44,328 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-23 11:53:44,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:53:44,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-23 11:53:44,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:53:44,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 1090 trivial. 0 not checked. [2025-01-23 11:53:44,666 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:53:44,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2025-01-23 11:53:44,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947966861] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:53:44,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:53:44,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 5] total 14 [2025-01-23 11:53:44,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208062678] [2025-01-23 11:53:44,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:53:44,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-23 11:53:44,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:53:44,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-23 11:53:44,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-01-23 11:53:44,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:53:44,703 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:53:44,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 14 states have internal predecessors, (116), 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) [2025-01-23 11:53:44,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:44,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:44,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:53:44,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:53:44,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 11:53:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 11:53:45,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:53:45,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 11:53:45,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:53:45,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 11:53:45,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-23 11:53:45,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-01-23 11:53:45,945 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:53:45,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:53:45,946 INFO L85 PathProgramCache]: Analyzing trace with hash -2080132568, now seen corresponding path program 22 times [2025-01-23 11:53:45,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:53:45,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778790229] [2025-01-23 11:53:45,946 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 11:53:45,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:53:45,985 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 428 statements into 2 equivalence classes. [2025-01-23 11:53:46,114 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 428 of 428 statements. [2025-01-23 11:53:46,114 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 11:53:46,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:53:47,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 164 proven. 322 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2025-01-23 11:53:47,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:53:47,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778790229] [2025-01-23 11:53:47,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778790229] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:53:47,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337414965] [2025-01-23 11:53:47,846 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 11:53:47,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:53:47,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:53:47,848 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:53:47,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-23 11:53:48,121 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 428 statements into 2 equivalence classes. [2025-01-23 11:53:48,270 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 428 of 428 statements. [2025-01-23 11:53:48,270 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 11:53:48,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:53:48,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 1841 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-23 11:53:48,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 11:53:49,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 630 proven. 78 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2025-01-23 11:53:49,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 11:53:49,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 527 proven. 181 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2025-01-23 11:53:49,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337414965] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 11:53:49,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 11:53:49,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 28, 28] total 57 [2025-01-23 11:53:49,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004373119] [2025-01-23 11:53:49,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 11:53:49,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-01-23 11:53:49,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 11:53:49,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-01-23 11:53:49,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=744, Invalid=2448, Unknown=0, NotChecked=0, Total=3192 [2025-01-23 11:53:49,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:53:49,889 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 11:53:49,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 7.7368421052631575) internal successors, (441), 57 states have internal predecessors, (441), 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) [2025-01-23 11:53:49,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:49,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:49,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:53:49,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:53:49,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:49,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:49,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 11:53:49,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 11:53:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 11:53:51,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-23 11:53:51,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:53:51,389 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 11:53:51,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 11:53:51,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1791981829, now seen corresponding path program 23 times [2025-01-23 11:53:51,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 11:53:51,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145362496] [2025-01-23 11:53:51,390 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 11:53:51,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 11:53:51,496 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 689 statements into 14 equivalence classes. [2025-01-23 11:53:56,273 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 689 of 689 statements. [2025-01-23 11:53:56,273 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-01-23 11:53:56,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 11:54:02,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2961 backedges. 526 proven. 1513 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2025-01-23 11:54:02,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 11:54:02,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145362496] [2025-01-23 11:54:02,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145362496] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 11:54:02,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517082394] [2025-01-23 11:54:02,372 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 11:54:02,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 11:54:02,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 11:54:02,374 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 11:54:02,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-23 11:54:02,714 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 689 statements into 14 equivalence classes. [2025-01-23 12:01:00,325 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 689 of 689 statements. [2025-01-23 12:01:00,325 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-01-23 12:01:00,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:01:00,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 2734 conjuncts, 59 conjuncts are in the unsatisfiable core [2025-01-23 12:01:00,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 12:01:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2961 backedges. 2133 proven. 409 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2025-01-23 12:01:02,256 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 12:01:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2961 backedges. 1991 proven. 551 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2025-01-23 12:01:04,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517082394] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 12:01:04,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 12:01:04,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 54, 54] total 117 [2025-01-23 12:01:04,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099928140] [2025-01-23 12:01:04,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 12:01:04,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2025-01-23 12:01:04,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:01:04,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2025-01-23 12:01:04,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3204, Invalid=10368, Unknown=0, NotChecked=0, Total=13572 [2025-01-23 12:01:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:01:04,556 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:01:04,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 7.64957264957265) internal successors, (895), 117 states have internal predecessors, (895), 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) [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:04,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:01:06,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:06,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:07,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-23 12:01:07,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-23 12:01:07,104 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 12:01:07,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:01:07,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1368368628, now seen corresponding path program 24 times [2025-01-23 12:01:07,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:01:07,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889768036] [2025-01-23 12:01:07,105 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 12:01:07,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:01:07,181 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 730 statements into 20 equivalence classes. [2025-01-23 12:01:07,571 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 270 of 730 statements. [2025-01-23 12:01:07,571 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-01-23 12:01:07,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:01:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3973 backedges. 926 proven. 21 refuted. 0 times theorem prover too weak. 3026 trivial. 0 not checked. [2025-01-23 12:01:08,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:01:08,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889768036] [2025-01-23 12:01:08,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889768036] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 12:01:08,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682553663] [2025-01-23 12:01:08,452 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 12:01:08,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:01:08,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 12:01:08,455 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 12:01:08,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-23 12:01:08,878 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 730 statements into 20 equivalence classes. [2025-01-23 12:01:09,274 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 270 of 730 statements. [2025-01-23 12:01:09,274 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-01-23 12:01:09,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:01:09,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-23 12:01:09,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 12:01:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3973 backedges. 961 proven. 21 refuted. 0 times theorem prover too weak. 2991 trivial. 0 not checked. [2025-01-23 12:01:09,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 12:01:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3973 backedges. 938 proven. 29 refuted. 0 times theorem prover too weak. 3006 trivial. 0 not checked. [2025-01-23 12:01:10,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682553663] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 12:01:10,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 12:01:10,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 28, 14] total 41 [2025-01-23 12:01:10,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394644531] [2025-01-23 12:01:10,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 12:01:10,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-01-23 12:01:10,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:01:10,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-01-23 12:01:10,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=499, Invalid=1141, Unknown=0, NotChecked=0, Total=1640 [2025-01-23 12:01:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:01:10,146 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:01:10,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 6.2682926829268295) internal successors, (257), 41 states have internal predecessors, (257), 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) [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 12:01:10,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 12:01:10,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-23 12:01:10,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 12:01:10,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:01:10,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:10,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 12:01:10,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 12:01:10,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:10,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:10,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:01:18,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2025-01-23 12:01:18,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-23 12:01:18,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-01-23 12:01:18,246 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 12:01:18,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:01:18,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1774338659, now seen corresponding path program 25 times [2025-01-23 12:01:18,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:01:18,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180053393] [2025-01-23 12:01:18,247 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 12:01:18,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:01:18,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1280 statements into 1 equivalence classes. [2025-01-23 12:01:19,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1280 of 1280 statements. [2025-01-23 12:01:19,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 12:01:19,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:01:29,701 INFO L134 CoverageAnalysis]: Checked inductivity of 23224 backedges. 1326 proven. 9146 refuted. 0 times theorem prover too weak. 12752 trivial. 0 not checked. [2025-01-23 12:01:29,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:01:29,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180053393] [2025-01-23 12:01:29,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180053393] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 12:01:29,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860215473] [2025-01-23 12:01:29,701 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 12:01:29,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:01:29,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 12:01:29,703 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 12:01:29,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-23 12:01:30,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1280 statements into 1 equivalence classes. [2025-01-23 12:01:30,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1280 of 1280 statements. [2025-01-23 12:01:30,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 12:01:30,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:01:30,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 4764 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-23 12:01:30,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 12:01:32,129 INFO L134 CoverageAnalysis]: Checked inductivity of 23224 backedges. 8436 proven. 91 refuted. 0 times theorem prover too weak. 14697 trivial. 0 not checked. [2025-01-23 12:01:32,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 12:01:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 23224 backedges. 8215 proven. 312 refuted. 0 times theorem prover too weak. 14697 trivial. 0 not checked. [2025-01-23 12:01:33,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860215473] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 12:01:33,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 12:01:33,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 30, 30] total 117 [2025-01-23 12:01:33,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894242774] [2025-01-23 12:01:33,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 12:01:33,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2025-01-23 12:01:33,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:01:33,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2025-01-23 12:01:33,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1803, Invalid=11769, Unknown=0, NotChecked=0, Total=13572 [2025-01-23 12:01:33,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:01:33,352 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:01:33,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 7.051282051282051) internal successors, (825), 117 states have internal predecessors, (825), 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) [2025-01-23 12:01:33,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:33,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:33,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 12:01:33,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 12:01:33,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:33,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:33,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:33,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:33,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2025-01-23 12:01:33,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2025-01-23 12:01:36,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-23 12:01:36,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-23 12:01:36,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:01:36,241 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 12:01:36,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:01:36,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1864434085, now seen corresponding path program 26 times [2025-01-23 12:01:36,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:01:36,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402015238] [2025-01-23 12:01:36,243 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 12:01:36,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:01:36,345 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1282 statements into 2 equivalence classes. [2025-01-23 12:01:37,260 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 1282 of 1282 statements. [2025-01-23 12:01:37,260 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 12:01:37,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:01:48,077 INFO L134 CoverageAnalysis]: Checked inductivity of 23268 backedges. 1722 proven. 9908 refuted. 0 times theorem prover too weak. 11638 trivial. 0 not checked. [2025-01-23 12:01:48,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:01:48,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402015238] [2025-01-23 12:01:48,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402015238] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 12:01:48,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576288860] [2025-01-23 12:01:48,077 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 12:01:48,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:01:48,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 12:01:48,079 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 12:01:48,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-23 12:01:48,710 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1282 statements into 2 equivalence classes. [2025-01-23 12:01:49,181 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 1282 of 1282 statements. [2025-01-23 12:01:49,181 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 12:01:49,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:01:49,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 4782 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-23 12:01:49,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 12:01:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 23268 backedges. 8847 proven. 105 refuted. 0 times theorem prover too weak. 14316 trivial. 0 not checked. [2025-01-23 12:01:50,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 12:01:52,417 INFO L134 CoverageAnalysis]: Checked inductivity of 23268 backedges. 8617 proven. 335 refuted. 0 times theorem prover too weak. 14316 trivial. 0 not checked. [2025-01-23 12:01:52,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576288860] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 12:01:52,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 12:01:52,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 32, 32] total 124 [2025-01-23 12:01:52,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452342316] [2025-01-23 12:01:52,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 12:01:52,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2025-01-23 12:01:52,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:01:52,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2025-01-23 12:01:52,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2018, Invalid=13234, Unknown=0, NotChecked=0, Total=15252 [2025-01-23 12:01:52,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:01:52,421 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:01:52,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 7.129032258064516) internal successors, (884), 124 states have internal predecessors, (884), 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) [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:01:52,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 12:01:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 12:01:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2025-01-23 12:01:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-23 12:01:52,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2025-01-23 12:01:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-23 12:01:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-23 12:01:56,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-01-23 12:01:56,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-01-23 12:01:56,195 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 12:01:56,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:01:56,196 INFO L85 PathProgramCache]: Analyzing trace with hash -2031467613, now seen corresponding path program 27 times [2025-01-23 12:01:56,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:01:56,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424225704] [2025-01-23 12:01:56,197 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 12:01:56,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:01:56,306 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1284 statements into 43 equivalence classes. [2025-01-23 12:01:56,330 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 125 of 1284 statements. [2025-01-23 12:01:56,330 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-23 12:01:56,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:01:56,557 INFO L134 CoverageAnalysis]: Checked inductivity of 23314 backedges. 780 proven. 0 refuted. 0 times theorem prover too weak. 22534 trivial. 0 not checked. [2025-01-23 12:01:56,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:01:56,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424225704] [2025-01-23 12:01:56,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424225704] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 12:01:56,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 12:01:56,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-23 12:01:56,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641248542] [2025-01-23 12:01:56,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 12:01:56,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-23 12:01:56,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:01:56,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-23 12:01:56,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-23 12:01:56,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:01:56,558 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:01:56,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-23 12:01:56,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-23 12:02:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:02:07,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-01-23 12:02:07,133 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 12:02:07,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:02:07,134 INFO L85 PathProgramCache]: Analyzing trace with hash 941383839, now seen corresponding path program 28 times [2025-01-23 12:02:07,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:02:07,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338618847] [2025-01-23 12:02:07,134 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 12:02:07,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:02:07,278 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 1921 statements into 2 equivalence classes. [2025-01-23 12:02:10,111 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 1921 of 1921 statements. [2025-01-23 12:02:10,111 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 12:02:10,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:03:19,048 INFO L134 CoverageAnalysis]: Checked inductivity of 41620 backedges. 5729 proven. 24697 refuted. 0 times theorem prover too weak. 11194 trivial. 0 not checked. [2025-01-23 12:03:19,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 12:03:19,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338618847] [2025-01-23 12:03:19,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338618847] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 12:03:19,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051379297] [2025-01-23 12:03:19,049 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 12:03:19,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:03:19,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 12:03:19,051 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 12:03:19,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-23 12:03:19,755 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 1921 statements into 2 equivalence classes. [2025-01-23 12:03:20,575 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 1921 of 1921 statements. [2025-01-23 12:03:20,575 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 12:03:20,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 12:03:20,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 7036 conjuncts, 163 conjuncts are in the unsatisfiable core [2025-01-23 12:03:20,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 12:03:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 41620 backedges. 38937 proven. 1215 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2025-01-23 12:03:33,090 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 12:03:33,096 INFO L378 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 12 treesize of output 4 [2025-01-23 12:03:44,939 INFO L134 CoverageAnalysis]: Checked inductivity of 41620 backedges. 39654 proven. 498 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2025-01-23 12:03:44,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051379297] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 12:03:44,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 12:03:44,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 159, 159] total 324 [2025-01-23 12:03:44,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743353883] [2025-01-23 12:03:44,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 12:03:44,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 324 states [2025-01-23 12:03:44,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 12:03:44,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 324 interpolants. [2025-01-23 12:03:44,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37038, Invalid=67614, Unknown=0, NotChecked=0, Total=104652 [2025-01-23 12:03:44,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:03:44,964 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 12:03:44,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 324 states, 324 states have (on average 10.212962962962964) internal successors, (3309), 324 states have internal predecessors, (3309), 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) [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:03:44,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-23 12:03:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 12:03:49,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-01-23 12:03:49,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-01-23 12:03:49,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 12:03:49,828 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-23 12:03:49,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 12:03:49,830 INFO L85 PathProgramCache]: Analyzing trace with hash -75911452, now seen corresponding path program 29 times [2025-01-23 12:03:49,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 12:03:49,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282092006] [2025-01-23 12:03:49,830 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 12:03:49,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 12:03:50,038 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 2222 statements into 49 equivalence classes. Killed by 15